20120448592

素因数分解:

$2^4\times {\mathrm{27983}}^1\times {\mathrm{44939}}^1$

素因数の和:72930

約数の個数: 20

約数和(自身を含む): 38985629760

約数和(自身を除く): 18865181168

約数列:

[1, 2, 4, 8, 16, 27983, 44939, 55966, 89878, 111932, 179756, 223864, 359512, 447728, 719024, 1257528037, 2515056074, 5030112148, 10060224296, 20120448592]

約数ペア:

[(1, 20120448592), (2, 10060224296), (4, 5030112148), (8, 2515056074), (16, 1257528037), (27983, 719024), (44939, 447728), (55966, 359512), (89878, 223864), (111932, 179756)]