20467320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45887880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 79, 85, 102, 120, 127, 136, 158, 170, 204, 237, 254, 255, 316, 340, 381, 395, 408, 474, 508, 510, 632, 635, 680, 762, 790, 948, 1016, 1020, 1185, 1270, 1343, 1524, 1580, 1896, 1905, 2040, 2159, 2370, 2540, 2686, 3048, 3160, 3810, 4029, 4318, 4740, 5080, 5372, 6477, 6715, 7620, 8058, 8636, 9480, 10033, 10744, 10795, 12954, 13430, 15240, 16116, 17272, 20066, 20145, 21590, 25908, 26860, 30099, 32232, 32385, 40132, 40290, 43180, 50165, 51816, 53720, 60198, 64770, 80264, 80580, 86360, 100330, 120396, 129540, 150495, 161160, 170561, 200660, 240792, 259080, 300990, 341122, 401320, 511683, 601980, 682244, 852805, 1023366, 1203960, 1364488, 1705610, 2046732, 2558415, 3411220, 4093464, 5116830, 6822440, 10233660, 20467320]

約数ペア:

[(1, 20467320), (2, 10233660), (3, 6822440), (4, 5116830), (5, 4093464), (6, 3411220), (8, 2558415), (10, 2046732), (12, 1705610), (15, 1364488), (17, 1203960), (20, 1023366), (24, 852805), (30, 682244), (34, 601980), (40, 511683), (51, 401320), (60, 341122), (68, 300990), (79, 259080), (85, 240792), (102, 200660), (120, 170561), (127, 161160), (136, 150495), (158, 129540), (170, 120396), (204, 100330), (237, 86360), (254, 80580), (255, 80264), (316, 64770), (340, 60198), (381, 53720), (395, 51816), (408, 50165), (474, 43180), (508, 40290), (510, 40132), (632, 32385), (635, 32232), (680, 30099), (762, 26860), (790, 25908), (948, 21590), (1016, 20145), (1020, 20066), (1185, 17272), (1270, 16116), (1343, 15240), (1524, 13430), (1580, 12954), (1896, 10795), (1905, 10744), (2040, 10033), (2159, 9480), (2370, 8636), (2540, 8058), (2686, 7620), (3048, 6715), (3160, 6477), (3810, 5372), (4029, 5080), (4318, 4740)]