20271992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 41119680

約数和(自身を除く): 20847688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 463, 842, 926, 1684, 1852, 3368, 3704, 5473, 6019, 10946, 12038, 21892, 24076, 43784, 48152, 194923, 389846, 779692, 1559384, 2533999, 5067998, 10135996, 20271992]

約数ペア:

[(1, 20271992), (2, 10135996), (4, 5067998), (8, 2533999), (13, 1559384), (26, 779692), (52, 389846), (104, 194923), (421, 48152), (463, 43784), (842, 24076), (926, 21892), (1684, 12038), (1852, 10946), (3368, 6019), (3704, 5473)]