20088432016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{127763}}^1$

素因数の和:128119

約数の個数: 40

約数和(自身を含む): 40303920384

約数和(自身を除く): 20215488368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 317, 496, 634, 1268, 2536, 5072, 9827, 19654, 39308, 78616, 127763, 157232, 255526, 511052, 1022104, 2044208, 3960653, 7921306, 15842612, 31685224, 40500871, 63370448, 81001742, 162003484, 324006968, 648013936, 1255527001, 2511054002, 5022108004, 10044216008, 20088432016]

約数ペア:

[(1, 20088432016), (2, 10044216008), (4, 5022108004), (8, 2511054002), (16, 1255527001), (31, 648013936), (62, 324006968), (124, 162003484), (248, 81001742), (317, 63370448), (496, 40500871), (634, 31685224), (1268, 15842612), (2536, 7921306), (5072, 3960653), (9827, 2044208), (19654, 1022104), (39308, 511052), (78616, 255526), (127763, 157232)]