20002448

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 40271232

約数和(自身を除く): 20268784

約数列:

[1, 2, 4, 8, 16, 47, 67, 94, 134, 188, 268, 376, 397, 536, 752, 794, 1072, 1588, 3149, 3176, 6298, 6352, 12596, 18659, 25192, 26599, 37318, 50384, 53198, 74636, 106396, 149272, 212792, 298544, 425584, 1250153, 2500306, 5000612, 10001224, 20002448]

約数ペア:

[(1, 20002448), (2, 10001224), (4, 5000612), (8, 2500306), (16, 1250153), (47, 425584), (67, 298544), (94, 212792), (134, 149272), (188, 106396), (268, 74636), (376, 53198), (397, 50384), (536, 37318), (752, 26599), (794, 25192), (1072, 18659), (1588, 12596), (3149, 6352), (3176, 6298)]