20506810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{797}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 18103622

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 797, 830, 1594, 2573, 3985, 5146, 7970, 12865, 24707, 25730, 49414, 66151, 123535, 132302, 247070, 330755, 661510, 2050681, 4101362, 10253405, 20506810]

約数ペア:

[(1, 20506810), (2, 10253405), (5, 4101362), (10, 2050681), (31, 661510), (62, 330755), (83, 247070), (155, 132302), (166, 123535), (310, 66151), (415, 49414), (797, 25730), (830, 24707), (1594, 12865), (2573, 7970), (3985, 5146)]