20199368956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{219587}}^1$

素因数の和:219694

約数の個数: 48

約数和(自身を含む): 40026500640

約数和(自身を除く): 19827131684

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 61, 116, 122, 244, 377, 754, 793, 1508, 1586, 1769, 3172, 3538, 7076, 22997, 45994, 91988, 219587, 439174, 878348, 2854631, 5709262, 6368023, 11418524, 12736046, 13394807, 25472092, 26789614, 53579228, 82784299, 165568598, 174132491, 331137196, 348264982, 388449403, 696529964, 776898806, 1553797612, 5049842239, 10099684478, 20199368956]

約数ペア:

[(1, 20199368956), (2, 10099684478), (4, 5049842239), (13, 1553797612), (26, 776898806), (29, 696529964), (52, 388449403), (58, 348264982), (61, 331137196), (116, 174132491), (122, 165568598), (244, 82784299), (377, 53579228), (754, 26789614), (793, 25472092), (1508, 13394807), (1586, 12736046), (1769, 11418524), (3172, 6368023), (3538, 5709262), (7076, 2854631), (22997, 878348), (45994, 439174), (91988, 219587)]