20165466475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{117703}}^1$

素因数の和:117820

約数の個数: 48

約数和(自身を含む): 31525839360

約数和(自身を除く): 11360372885

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 89, 175, 275, 385, 445, 623, 979, 1925, 2225, 3115, 4895, 6853, 15575, 24475, 34265, 117703, 171325, 588515, 823921, 1294733, 2942575, 4119605, 6473665, 9063131, 10475567, 20598025, 32368325, 45315655, 52377835, 73328969, 115231237, 226578275, 261889175, 366644845, 576156185, 806618659, 1833224225, 2880780925, 4033093295, 20165466475]

約数ペア:

[(1, 20165466475), (5, 4033093295), (7, 2880780925), (11, 1833224225), (25, 806618659), (35, 576156185), (55, 366644845), (77, 261889175), (89, 226578275), (175, 115231237), (275, 73328969), (385, 52377835), (445, 45315655), (623, 32368325), (979, 20598025), (1925, 10475567), (2225, 9063131), (3115, 6473665), (4895, 4119605), (6853, 2942575), (15575, 1294733), (24475, 823921), (34265, 588515), (117703, 171325)]