20077956860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^2\times {\mathrm{251}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 47622284640

約数和(自身を除く): 27544327780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 103, 116, 130, 145, 206, 251, 260, 290, 377, 412, 502, 515, 580, 754, 1004, 1030, 1255, 1339, 1508, 1885, 2060, 2510, 2678, 2987, 3263, 3770, 5020, 5356, 5974, 6526, 6695, 7279, 7540, 10609, 11948, 13052, 13390, 14558, 14935, 16315, 21218, 25853, 26780, 29116, 29870, 32630, 36395, 38831, 42436, 51706, 53045, 59740, 65260, 72790, 77662, 94627, 103412, 106090, 129265, 137917, 145580, 155324, 189254, 194155, 212180, 258530, 275834, 307661, 336089, 378508, 388310, 473135, 517060, 551668, 615322, 672178, 689585, 749737, 776620, 946270, 1230644, 1344356, 1379170, 1499474, 1538305, 1680445, 1892540, 2662859, 2758340, 2998948, 3076610, 3360890, 3748685, 3999593, 5325718, 6153220, 6721780, 7497370, 7999186, 9746581, 10651436, 13314295, 14994740, 15998372, 19493162, 19997965, 26628590, 34617167, 38986324, 39995930, 48732905, 53257180, 69234334, 77222911, 79991860, 97465810, 138468668, 154445822, 173085835, 194931620, 308891644, 346171670, 386114555, 692343340, 772229110, 1003897843, 1544458220, 2007795686, 4015591372, 5019489215, 10038978430, 20077956860]

約数ペア:

[(1, 20077956860), (2, 10038978430), (4, 5019489215), (5, 4015591372), (10, 2007795686), (13, 1544458220), (20, 1003897843), (26, 772229110), (29, 692343340), (52, 386114555), (58, 346171670), (65, 308891644), (103, 194931620), (116, 173085835), (130, 154445822), (145, 138468668), (206, 97465810), (251, 79991860), (260, 77222911), (290, 69234334), (377, 53257180), (412, 48732905), (502, 39995930), (515, 38986324), (580, 34617167), (754, 26628590), (1004, 19997965), (1030, 19493162), (1255, 15998372), (1339, 14994740), (1508, 13314295), (1885, 10651436), (2060, 9746581), (2510, 7999186), (2678, 7497370), (2987, 6721780), (3263, 6153220), (3770, 5325718), (5020, 3999593), (5356, 3748685), (5974, 3360890), (6526, 3076610), (6695, 2998948), (7279, 2758340), (7540, 2662859), (10609, 1892540), (11948, 1680445), (13052, 1538305), (13390, 1499474), (14558, 1379170), (14935, 1344356), (16315, 1230644), (21218, 946270), (25853, 776620), (26780, 749737), (29116, 689585), (29870, 672178), (32630, 615322), (36395, 551668), (38831, 517060), (42436, 473135), (51706, 388310), (53045, 378508), (59740, 336089), (65260, 307661), (72790, 275834), (77662, 258530), (94627, 212180), (103412, 194155), (106090, 189254), (129265, 155324), (137917, 145580)]