20132647460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1\times {\mathrm{17681}}^1$

素因数の和:17921

約数の個数: 72

約数和(自身を含む): 45142358184

約数和(自身を除く): 25009710724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 289, 340, 394, 578, 788, 985, 1156, 1445, 1970, 2890, 3349, 3940, 5780, 6698, 13396, 16745, 17681, 33490, 35362, 56933, 66980, 70724, 88405, 113866, 176810, 227732, 284665, 300577, 353620, 569330, 601154, 1138660, 1202308, 1502885, 3005770, 3483157, 5109809, 6011540, 6966314, 10219618, 13932628, 17415785, 20439236, 25549045, 34831570, 51098090, 59213669, 69663140, 102196180, 118427338, 236854676, 296068345, 592136690, 1006632373, 1184273380, 2013264746, 4026529492, 5033161865, 10066323730, 20132647460]

約数ペア:

[(1, 20132647460), (2, 10066323730), (4, 5033161865), (5, 4026529492), (10, 2013264746), (17, 1184273380), (20, 1006632373), (34, 592136690), (68, 296068345), (85, 236854676), (170, 118427338), (197, 102196180), (289, 69663140), (340, 59213669), (394, 51098090), (578, 34831570), (788, 25549045), (985, 20439236), (1156, 17415785), (1445, 13932628), (1970, 10219618), (2890, 6966314), (3349, 6011540), (3940, 5109809), (5780, 3483157), (6698, 3005770), (13396, 1502885), (16745, 1202308), (17681, 1138660), (33490, 601154), (35362, 569330), (56933, 353620), (66980, 300577), (70724, 284665), (88405, 227732), (113866, 176810)]