20346591020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{608087}}^1$

素因数の和:608342

約数の個数: 48

約数和(自身を含む): 49036216320

約数和(自身を除く): 28689625300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 16730, 33460, 608087, 1216174, 2432348, 3040435, 4256609, 6080870, 8513218, 12161740, 17026436, 21283045, 42566090, 85132180, 145332793, 290665586, 581331172, 726663965, 1017329551, 1453327930, 2034659102, 2906655860, 4069318204, 5086647755, 10173295510, 20346591020]

約数ペア:

[(1, 20346591020), (2, 10173295510), (4, 5086647755), (5, 4069318204), (7, 2906655860), (10, 2034659102), (14, 1453327930), (20, 1017329551), (28, 726663965), (35, 581331172), (70, 290665586), (140, 145332793), (239, 85132180), (478, 42566090), (956, 21283045), (1195, 17026436), (1673, 12161740), (2390, 8513218), (3346, 6080870), (4780, 4256609), (6692, 3040435), (8365, 2432348), (16730, 1216174), (33460, 608087)]