20061720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 78624000

約数和(自身を除く): 58562280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 419, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 838, 840, 855, 1064, 1140, 1197, 1257, 1260, 1330, 1368, 1596, 1676, 1710, 1995, 2095, 2280, 2394, 2514, 2520, 2660, 2933, 3192, 3352, 3420, 3771, 3990, 4190, 4788, 5028, 5320, 5866, 5985, 6285, 6840, 7542, 7961, 7980, 8380, 8799, 9576, 10056, 11732, 11970, 12570, 14665, 15084, 15922, 15960, 16760, 17598, 18855, 23464, 23883, 23940, 25140, 26397, 29330, 30168, 31844, 35196, 37710, 39805, 43995, 47766, 47880, 50280, 52794, 55727, 58660, 63688, 70392, 71649, 75420, 79610, 87990, 95532, 105588, 111454, 117320, 119415, 131985, 143298, 150840, 159220, 167181, 175980, 191064, 211176, 222908, 238830, 263970, 278635, 286596, 318440, 334362, 351960, 358245, 445816, 477660, 501543, 527940, 557270, 573192, 668724, 716490, 835905, 955320, 1003086, 1055880, 1114540, 1337448, 1432980, 1671810, 2006172, 2229080, 2507715, 2865960, 3343620, 4012344, 5015430, 6687240, 10030860, 20061720]

約数ペア:

[(1, 20061720), (2, 10030860), (3, 6687240), (4, 5015430), (5, 4012344), (6, 3343620), (7, 2865960), (8, 2507715), (9, 2229080), (10, 2006172), (12, 1671810), (14, 1432980), (15, 1337448), (18, 1114540), (19, 1055880), (20, 1003086), (21, 955320), (24, 835905), (28, 716490), (30, 668724), (35, 573192), (36, 557270), (38, 527940), (40, 501543), (42, 477660), (45, 445816), (56, 358245), (57, 351960), (60, 334362), (63, 318440), (70, 286596), (72, 278635), (76, 263970), (84, 238830), (90, 222908), (95, 211176), (105, 191064), (114, 175980), (120, 167181), (126, 159220), (133, 150840), (140, 143298), (152, 131985), (168, 119415), (171, 117320), (180, 111454), (190, 105588), (210, 95532), (228, 87990), (252, 79610), (266, 75420), (280, 71649), (285, 70392), (315, 63688), (342, 58660), (360, 55727), (380, 52794), (399, 50280), (419, 47880), (420, 47766), (456, 43995), (504, 39805), (532, 37710), (570, 35196), (630, 31844), (665, 30168), (684, 29330), (760, 26397), (798, 25140), (838, 23940), (840, 23883), (855, 23464), (1064, 18855), (1140, 17598), (1197, 16760), (1257, 15960), (1260, 15922), (1330, 15084), (1368, 14665), (1596, 12570), (1676, 11970), (1710, 11732), (1995, 10056), (2095, 9576), (2280, 8799), (2394, 8380), (2514, 7980), (2520, 7961), (2660, 7542), (2933, 6840), (3192, 6285), (3352, 5985), (3420, 5866), (3771, 5320), (3990, 5028), (4190, 4788)]