20928109020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{30181}}^1$

素因数の和:30340

約数の個数: 192

約数和(自身を含む): 72691777536

約数和(自身を除く): 51763668516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 127, 130, 140, 156, 182, 195, 210, 254, 260, 273, 364, 381, 390, 420, 455, 508, 546, 635, 762, 780, 889, 910, 1092, 1270, 1365, 1524, 1651, 1778, 1820, 1905, 2540, 2667, 2730, 3302, 3556, 3810, 4445, 4953, 5334, 5460, 6604, 7620, 8255, 8890, 9906, 10668, 11557, 13335, 16510, 17780, 19812, 23114, 24765, 26670, 30181, 33020, 34671, 46228, 49530, 53340, 57785, 60362, 69342, 90543, 99060, 115570, 120724, 138684, 150905, 173355, 181086, 211267, 231140, 301810, 346710, 362172, 392353, 422534, 452715, 603620, 633801, 693420, 784706, 845068, 905430, 1056335, 1177059, 1267602, 1569412, 1810860, 1961765, 2112670, 2354118, 2535204, 2746471, 3169005, 3832987, 3923530, 4225340, 4708236, 5492942, 5885295, 6338010, 7665974, 7847060, 8239413, 10985884, 11498961, 11770590, 12676020, 13732355, 15331948, 16478826, 19164935, 22997922, 23541180, 26830909, 27464710, 32957652, 38329870, 41197065, 45995844, 49828831, 53661818, 54929420, 57494805, 76659740, 80492727, 82394130, 99657662, 107323636, 114989610, 134154545, 149486493, 160985454, 164788260, 199315324, 229979220, 249144155, 268309090, 298972986, 321970908, 348801817, 402463635, 498288310, 536618180, 597945972, 697603634, 747432465, 804927270, 996576620, 1046405451, 1395207268, 1494864930, 1609854540, 1744009085, 2092810902, 2989729860, 3488018170, 4185621804, 5232027255, 6976036340, 10464054510, 20928109020]

約数ペア:

[(1, 20928109020), (2, 10464054510), (3, 6976036340), (4, 5232027255), (5, 4185621804), (6, 3488018170), (7, 2989729860), (10, 2092810902), (12, 1744009085), (13, 1609854540), (14, 1494864930), (15, 1395207268), (20, 1046405451), (21, 996576620), (26, 804927270), (28, 747432465), (30, 697603634), (35, 597945972), (39, 536618180), (42, 498288310), (52, 402463635), (60, 348801817), (65, 321970908), (70, 298972986), (78, 268309090), (84, 249144155), (91, 229979220), (105, 199315324), (127, 164788260), (130, 160985454), (140, 149486493), (156, 134154545), (182, 114989610), (195, 107323636), (210, 99657662), (254, 82394130), (260, 80492727), (273, 76659740), (364, 57494805), (381, 54929420), (390, 53661818), (420, 49828831), (455, 45995844), (508, 41197065), (546, 38329870), (635, 32957652), (762, 27464710), (780, 26830909), (889, 23541180), (910, 22997922), (1092, 19164935), (1270, 16478826), (1365, 15331948), (1524, 13732355), (1651, 12676020), (1778, 11770590), (1820, 11498961), (1905, 10985884), (2540, 8239413), (2667, 7847060), (2730, 7665974), (3302, 6338010), (3556, 5885295), (3810, 5492942), (4445, 4708236), (4953, 4225340), (5334, 3923530), (5460, 3832987), (6604, 3169005), (7620, 2746471), (8255, 2535204), (8890, 2354118), (9906, 2112670), (10668, 1961765), (11557, 1810860), (13335, 1569412), (16510, 1267602), (17780, 1177059), (19812, 1056335), (23114, 905430), (24765, 845068), (26670, 784706), (30181, 693420), (33020, 633801), (34671, 603620), (46228, 452715), (49530, 422534), (53340, 392353), (57785, 362172), (60362, 346710), (69342, 301810), (90543, 231140), (99060, 211267), (115570, 181086), (120724, 173355), (138684, 150905)]