20165785913

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{953}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 25832549376

約数和(自身を除く): 5666763463

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 577, 953, 1183, 2821, 4039, 5239, 6671, 7501, 12389, 17887, 29543, 36673, 52507, 86723, 97513, 125209, 161057, 206801, 232531, 384059, 549881, 682591, 1127399, 1627717, 2688413, 3022903, 3849167, 4992767, 7148453, 17046311, 21160321, 34949369, 50039171, 92929889, 119324177, 221602043, 650509223, 1551214301, 2880826559, 20165785913]

約数ペア:

[(1, 20165785913), (7, 2880826559), (13, 1551214301), (31, 650509223), (91, 221602043), (169, 119324177), (217, 92929889), (403, 50039171), (577, 34949369), (953, 21160321), (1183, 17046311), (2821, 7148453), (4039, 4992767), (5239, 3849167), (6671, 3022903), (7501, 2688413), (12389, 1627717), (17887, 1127399), (29543, 682591), (36673, 549881), (52507, 384059), (86723, 232531), (97513, 206801), (125209, 161057)]