20178984010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1\times {\mathrm{111443}}^1$

素因数の和:112422

約数の個数: 32

約数和(自身を含む): 38274327360

約数和(自身を除く): 18095343350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 953, 1906, 4765, 9530, 18107, 36214, 90535, 111443, 181070, 222886, 557215, 1114430, 2117417, 4234834, 10587085, 21174170, 106205179, 212410358, 531025895, 1062051790, 2017898401, 4035796802, 10089492005, 20178984010]

約数ペア:

[(1, 20178984010), (2, 10089492005), (5, 4035796802), (10, 2017898401), (19, 1062051790), (38, 531025895), (95, 212410358), (190, 106205179), (953, 21174170), (1906, 10587085), (4765, 4234834), (9530, 2117417), (18107, 1114430), (36214, 557215), (90535, 222886), (111443, 181070)]