20215568920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{34141}}^1$

素因数の和:34396

約数の個数: 64

約数和(自身を含む): 46239193440

約数和(自身を除く): 26023624520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 131, 226, 262, 452, 524, 565, 655, 904, 1048, 1130, 1310, 2260, 2620, 4520, 5240, 14803, 29606, 34141, 59212, 68282, 74015, 118424, 136564, 148030, 170705, 273128, 296060, 341410, 592120, 682820, 1365640, 3857933, 4472471, 7715866, 8944942, 15431732, 17889884, 19289665, 22362355, 30863464, 35779768, 38579330, 44724710, 77158660, 89449420, 154317320, 178898840, 505389223, 1010778446, 2021556892, 2526946115, 4043113784, 5053892230, 10107784460, 20215568920]

約数ペア:

[(1, 20215568920), (2, 10107784460), (4, 5053892230), (5, 4043113784), (8, 2526946115), (10, 2021556892), (20, 1010778446), (40, 505389223), (113, 178898840), (131, 154317320), (226, 89449420), (262, 77158660), (452, 44724710), (524, 38579330), (565, 35779768), (655, 30863464), (904, 22362355), (1048, 19289665), (1130, 17889884), (1310, 15431732), (2260, 8944942), (2620, 7715866), (4520, 4472471), (5240, 3857933), (14803, 1365640), (29606, 682820), (34141, 592120), (59212, 341410), (68282, 296060), (74015, 273128), (118424, 170705), (136564, 148030)]