20565150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2017

約数の個数: 48

約数和(自身を含む): 51746688

約数和(自身を除く): 31181538

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 355, 426, 710, 1065, 1775, 1931, 2130, 3550, 3862, 5325, 5793, 9655, 10650, 11586, 19310, 28965, 48275, 57930, 96550, 137101, 144825, 274202, 289650, 411303, 685505, 822606, 1371010, 2056515, 3427525, 4113030, 6855050, 10282575, 20565150]

約数ペア:

[(1, 20565150), (2, 10282575), (3, 6855050), (5, 4113030), (6, 3427525), (10, 2056515), (15, 1371010), (25, 822606), (30, 685505), (50, 411303), (71, 289650), (75, 274202), (142, 144825), (150, 137101), (213, 96550), (355, 57930), (426, 48275), (710, 28965), (1065, 19310), (1775, 11586), (1931, 10650), (2130, 9655), (3550, 5793), (3862, 5325)]