20158774426

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{2311}}^1$

素因数の和:2651

約数の個数: 64

約数和(自身を含む): 36222566400

約数和(自身を除く): 16063791974

約数列:

[1, 2, 7, 14, 31, 62, 101, 199, 202, 217, 398, 434, 707, 1393, 1414, 2311, 2786, 3131, 4622, 6169, 6262, 12338, 16177, 20099, 21917, 32354, 40198, 43183, 43834, 71641, 86366, 140693, 143282, 233411, 281386, 459889, 466822, 501487, 623069, 919778, 1002974, 1246138, 1633877, 3219223, 3267754, 4361483, 6438446, 7235741, 8722966, 14256559, 14471482, 28513118, 46448789, 50650187, 92897578, 99795913, 101300374, 199591826, 325141523, 650283046, 1439912459, 2879824918, 10079387213, 20158774426]

約数ペア:

[(1, 20158774426), (2, 10079387213), (7, 2879824918), (14, 1439912459), (31, 650283046), (62, 325141523), (101, 199591826), (199, 101300374), (202, 99795913), (217, 92897578), (398, 50650187), (434, 46448789), (707, 28513118), (1393, 14471482), (1414, 14256559), (2311, 8722966), (2786, 7235741), (3131, 6438446), (4622, 4361483), (6169, 3267754), (6262, 3219223), (12338, 1633877), (16177, 1246138), (20099, 1002974), (21917, 919778), (32354, 623069), (40198, 501487), (43183, 466822), (43834, 459889), (71641, 281386), (86366, 233411), (140693, 143282)]