20201940010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{3109}}^1$

素因数の和:3368

約数の個数: 96

約数和(自身を含む): 43076610000

約数和(自身を除く): 22874669990

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 149, 178, 245, 298, 445, 490, 623, 745, 890, 1043, 1246, 1490, 2086, 3109, 3115, 4361, 5215, 6218, 6230, 7301, 8722, 10430, 13261, 14602, 15545, 21763, 21805, 26522, 31090, 36505, 43526, 43610, 66305, 73010, 92827, 108815, 132610, 152341, 185654, 217630, 276701, 304682, 463241, 464135, 553402, 649789, 761705, 926482, 928270, 1299578, 1383505, 1523410, 1936907, 2316205, 2767010, 3242687, 3248945, 3873814, 4632410, 6485374, 6497890, 9684535, 13558349, 16213435, 19369070, 22698809, 27116698, 32426870, 41228449, 45397618, 67791745, 82456898, 113494045, 135583490, 206142245, 226988090, 288599143, 412284490, 577198286, 1442995715, 2020194001, 2885991430, 4040388002, 10100970005, 20201940010]

約数ペア:

[(1, 20201940010), (2, 10100970005), (5, 4040388002), (7, 2885991430), (10, 2020194001), (14, 1442995715), (35, 577198286), (49, 412284490), (70, 288599143), (89, 226988090), (98, 206142245), (149, 135583490), (178, 113494045), (245, 82456898), (298, 67791745), (445, 45397618), (490, 41228449), (623, 32426870), (745, 27116698), (890, 22698809), (1043, 19369070), (1246, 16213435), (1490, 13558349), (2086, 9684535), (3109, 6497890), (3115, 6485374), (4361, 4632410), (5215, 3873814), (6218, 3248945), (6230, 3242687), (7301, 2767010), (8722, 2316205), (10430, 1936907), (13261, 1523410), (14602, 1383505), (15545, 1299578), (21763, 928270), (21805, 926482), (26522, 761705), (31090, 649789), (36505, 553402), (43526, 464135), (43610, 463241), (66305, 304682), (73010, 276701), (92827, 217630), (108815, 185654), (132610, 152341)]