20154734785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{21589}}^1$

素因数の和:21961

約数の個数: 32

約数和(自身を含む): 26363980800

約数和(自身を除く): 6209246015

約数列:

[1, 5, 19, 31, 95, 155, 317, 589, 1585, 2945, 6023, 9827, 21589, 30115, 49135, 107945, 186713, 410191, 669259, 933565, 2050955, 3346295, 6843713, 12715921, 34218565, 63579605, 130030547, 212155103, 650152735, 1060775515, 4030946957, 20154734785]

約数ペア:

[(1, 20154734785), (5, 4030946957), (19, 1060775515), (31, 650152735), (95, 212155103), (155, 130030547), (317, 63579605), (589, 34218565), (1585, 12715921), (2945, 6843713), (6023, 3346295), (9827, 2050955), (21589, 933565), (30115, 669259), (49135, 410191), (107945, 186713)]