20160981736

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1\times {\mathrm{6007}}^1$

素因数の和:6914

約数の個数: 64

約数和(自身を含む): 43854554880

約数和(自身を除く): 23693573144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 821, 1022, 1642, 2044, 3284, 4088, 5747, 6007, 6568, 11494, 12014, 22988, 24028, 42049, 45976, 48056, 59933, 84098, 119866, 168196, 239732, 336392, 419531, 438511, 479464, 839062, 877022, 1678124, 1754044, 3069577, 3356248, 3508088, 4931747, 6139154, 9863494, 12278308, 19726988, 24556616, 34522229, 39453976, 69044458, 138088916, 276177832, 360017531, 720035062, 1440070124, 2520122717, 2880140248, 5040245434, 10080490868, 20160981736]

約数ペア:

[(1, 20160981736), (2, 10080490868), (4, 5040245434), (7, 2880140248), (8, 2520122717), (14, 1440070124), (28, 720035062), (56, 360017531), (73, 276177832), (146, 138088916), (292, 69044458), (511, 39453976), (584, 34522229), (821, 24556616), (1022, 19726988), (1642, 12278308), (2044, 9863494), (3284, 6139154), (4088, 4931747), (5747, 3508088), (6007, 3356248), (6568, 3069577), (11494, 1754044), (12014, 1678124), (22988, 877022), (24028, 839062), (42049, 479464), (45976, 438511), (48056, 419531), (59933, 336392), (84098, 239732), (119866, 168196)]