20885748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5821}}^1$

素因数の和:5864

約数の個数: 48

約数和(自身を含む): 54773376

約数和(自身を除く): 33887628

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5821, 11642, 17463, 23284, 34926, 69852, 75673, 133883, 151346, 227019, 267766, 302692, 401649, 454038, 535532, 803298, 908076, 1606596, 1740479, 3480958, 5221437, 6961916, 10442874, 20885748]

約数ペア:

[(1, 20885748), (2, 10442874), (3, 6961916), (4, 5221437), (6, 3480958), (12, 1740479), (13, 1606596), (23, 908076), (26, 803298), (39, 535532), (46, 454038), (52, 401649), (69, 302692), (78, 267766), (92, 227019), (138, 151346), (156, 133883), (276, 75673), (299, 69852), (598, 34926), (897, 23284), (1196, 17463), (1794, 11642), (3588, 5821)]