20194059578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{122209}}^1$

素因数の和:122295

約数の個数: 64

約数和(自身を含む): 40123987200

約数和(自身を除く): 19929927622

約数列:

[1, 2, 7, 11, 14, 22, 29, 37, 58, 74, 77, 154, 203, 259, 319, 406, 407, 518, 638, 814, 1073, 2146, 2233, 2849, 4466, 5698, 7511, 11803, 15022, 23606, 82621, 122209, 165242, 244418, 855463, 1344299, 1710926, 2688598, 3544061, 4521733, 7088122, 9043466, 9410093, 18820186, 24808427, 31652131, 38984671, 49616854, 49739063, 63304262, 77969342, 99478126, 131130257, 262260514, 272892697, 348173441, 545785394, 696346882, 917911799, 1442432827, 1835823598, 2884865654, 10097029789, 20194059578]

約数ペア:

[(1, 20194059578), (2, 10097029789), (7, 2884865654), (11, 1835823598), (14, 1442432827), (22, 917911799), (29, 696346882), (37, 545785394), (58, 348173441), (74, 272892697), (77, 262260514), (154, 131130257), (203, 99478126), (259, 77969342), (319, 63304262), (406, 49739063), (407, 49616854), (518, 38984671), (638, 31652131), (814, 24808427), (1073, 18820186), (2146, 9410093), (2233, 9043466), (2849, 7088122), (4466, 4521733), (5698, 3544061), (7511, 2688598), (11803, 1710926), (15022, 1344299), (23606, 855463), (82621, 244418), (122209, 165242)]