20618130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1875

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34539630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1823, 1885, 2262, 3646, 3770, 5469, 5655, 9115, 10938, 11310, 18230, 23699, 27345, 47398, 52867, 54690, 71097, 105734, 118495, 142194, 158601, 236990, 264335, 317202, 355485, 528670, 687271, 710970, 793005, 1374542, 1586010, 2061813, 3436355, 4123626, 6872710, 10309065, 20618130]

約数ペア:

[(1, 20618130), (2, 10309065), (3, 6872710), (5, 4123626), (6, 3436355), (10, 2061813), (13, 1586010), (15, 1374542), (26, 793005), (29, 710970), (30, 687271), (39, 528670), (58, 355485), (65, 317202), (78, 264335), (87, 236990), (130, 158601), (145, 142194), (174, 118495), (195, 105734), (290, 71097), (377, 54690), (390, 52867), (435, 47398), (754, 27345), (870, 23699), (1131, 18230), (1823, 11310), (1885, 10938), (2262, 9115), (3646, 5655), (3770, 5469)]