20651512

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1543}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 44467200

約数和(自身を除く): 23815688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1543, 1673, 1912, 3086, 3346, 6172, 6692, 10801, 12344, 13384, 21602, 43204, 86408, 368777, 737554, 1475108, 2581439, 2950216, 5162878, 10325756, 20651512]

約数ペア:

[(1, 20651512), (2, 10325756), (4, 5162878), (7, 2950216), (8, 2581439), (14, 1475108), (28, 737554), (56, 368777), (239, 86408), (478, 43204), (956, 21602), (1543, 13384), (1673, 12344), (1912, 10801), (3086, 6692), (3346, 6172)]