20154722120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{282913}}^1$

素因数の和:283074

約数の個数: 64

約数和(自身を含む): 49193086320

約数和(自身を除く): 29038364200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2740, 3562, 5480, 7124, 8905, 14248, 17810, 35620, 71240, 282913, 565826, 1131652, 1414565, 2263304, 2829130, 3677869, 5658260, 7355738, 11316520, 14711476, 18389345, 29422952, 36778690, 38759081, 73557380, 77518162, 147114760, 155036324, 193795405, 310072648, 387590810, 503868053, 775181620, 1007736106, 1550363240, 2015472212, 2519340265, 4030944424, 5038680530, 10077361060, 20154722120]

約数ペア:

[(1, 20154722120), (2, 10077361060), (4, 5038680530), (5, 4030944424), (8, 2519340265), (10, 2015472212), (13, 1550363240), (20, 1007736106), (26, 775181620), (40, 503868053), (52, 387590810), (65, 310072648), (104, 193795405), (130, 155036324), (137, 147114760), (260, 77518162), (274, 73557380), (520, 38759081), (548, 36778690), (685, 29422952), (1096, 18389345), (1370, 14711476), (1781, 11316520), (2740, 7355738), (3562, 5658260), (5480, 3677869), (7124, 2829130), (8905, 2263304), (14248, 1414565), (17810, 1131652), (35620, 565826), (71240, 282913)]