20139572720

素因数分解:

$2^4\times 5^1\times {\mathrm{5879}}^1\times {\mathrm{42821}}^1$

素因数の和:48713

約数の個数: 40

約数和(自身を含む): 46833564960

約数和(自身を除く): 26693992240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5879, 11758, 23516, 29395, 42821, 47032, 58790, 85642, 94064, 117580, 171284, 214105, 235160, 342568, 428210, 470320, 685136, 856420, 1712840, 3425680, 251744659, 503489318, 1006978636, 1258723295, 2013957272, 2517446590, 4027914544, 5034893180, 10069786360, 20139572720]

約数ペア:

[(1, 20139572720), (2, 10069786360), (4, 5034893180), (5, 4027914544), (8, 2517446590), (10, 2013957272), (16, 1258723295), (20, 1006978636), (40, 503489318), (80, 251744659), (5879, 3425680), (11758, 1712840), (23516, 856420), (29395, 685136), (42821, 470320), (47032, 428210), (58790, 342568), (85642, 235160), (94064, 214105), (117580, 171284)]