20694645688

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{211879}}^1$

素因数の和:212335

約数の個数: 32

約数和(自身を含む): 40236012000

約数和(自身を除く): 19541366312

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 421, 842, 1684, 3368, 12209, 24418, 48836, 97672, 211879, 423758, 847516, 1695032, 6144491, 12288982, 24577964, 49155928, 89201059, 178402118, 356804236, 713608472, 2586830711, 5173661422, 10347322844, 20694645688]

約数ペア:

[(1, 20694645688), (2, 10347322844), (4, 5173661422), (8, 2586830711), (29, 713608472), (58, 356804236), (116, 178402118), (232, 89201059), (421, 49155928), (842, 24577964), (1684, 12288982), (3368, 6144491), (12209, 1695032), (24418, 847516), (48836, 423758), (97672, 211879)]