20243555480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{24571}}^1$

素因数の和:25104

約数の個数: 64

約数和(自身を含む): 46706457600

約数和(自身を除く): 26462902120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 479, 860, 958, 1720, 1916, 2395, 3832, 4790, 9580, 19160, 20597, 24571, 41194, 49142, 82388, 98284, 102985, 122855, 164776, 196568, 205970, 245710, 411940, 491420, 823880, 982840, 1056553, 2113106, 4226212, 5282765, 8452424, 10565530, 11769509, 21131060, 23539018, 42262120, 47078036, 58847545, 94156072, 117695090, 235390180, 470780360, 506088887, 1012177774, 2024355548, 2530444435, 4048711096, 5060888870, 10121777740, 20243555480]

約数ペア:

[(1, 20243555480), (2, 10121777740), (4, 5060888870), (5, 4048711096), (8, 2530444435), (10, 2024355548), (20, 1012177774), (40, 506088887), (43, 470780360), (86, 235390180), (172, 117695090), (215, 94156072), (344, 58847545), (430, 47078036), (479, 42262120), (860, 23539018), (958, 21131060), (1720, 11769509), (1916, 10565530), (2395, 8452424), (3832, 5282765), (4790, 4226212), (9580, 2113106), (19160, 1056553), (20597, 982840), (24571, 823880), (41194, 491420), (49142, 411940), (82388, 245710), (98284, 205970), (102985, 196568), (122855, 164776)]