20813462

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 34028544

約数和(自身を除く): 13215082

約数列:

[1, 2, 31, 37, 43, 62, 74, 86, 211, 422, 1147, 1333, 1591, 2294, 2666, 3182, 6541, 7807, 9073, 13082, 15614, 18146, 49321, 98642, 242017, 281263, 335701, 484034, 562526, 671402, 10406731, 20813462]

約数ペア:

[(1, 20813462), (2, 10406731), (31, 671402), (37, 562526), (43, 484034), (62, 335701), (74, 281263), (86, 242017), (211, 98642), (422, 49321), (1147, 18146), (1333, 15614), (1591, 13082), (2294, 9073), (2666, 7807), (3182, 6541)]