20301968

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 40678200

約数和(自身を除く): 20376232

約数列:

[1, 2, 4, 8, 16, 53, 89, 106, 178, 212, 269, 356, 424, 538, 712, 848, 1076, 1424, 2152, 4304, 4717, 9434, 14257, 18868, 23941, 28514, 37736, 47882, 57028, 75472, 95764, 114056, 191528, 228112, 383056, 1268873, 2537746, 5075492, 10150984, 20301968]

約数ペア:

[(1, 20301968), (2, 10150984), (4, 5075492), (8, 2537746), (16, 1268873), (53, 383056), (89, 228112), (106, 191528), (178, 114056), (212, 95764), (269, 75472), (356, 57028), (424, 47882), (538, 37736), (712, 28514), (848, 23941), (1076, 18868), (1424, 14257), (2152, 9434), (4304, 4717)]