20005933934

素因数分解:

$2^1\times 7^4\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:623

約数の個数: 80

約数和(自身を含む): 35871398640

約数和(自身を除く): 15865464706

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 241, 293, 343, 413, 482, 586, 686, 826, 1687, 2051, 2401, 2891, 3374, 4102, 4802, 5782, 11809, 14219, 14357, 17287, 20237, 23618, 28438, 28714, 34574, 40474, 70613, 82663, 99533, 100499, 121009, 141226, 141659, 165326, 199066, 200998, 242018, 283318, 494291, 578641, 696731, 703493, 847063, 988582, 1157282, 1393462, 1406986, 1694126, 3460037, 4166167, 4877117, 5929441, 6920074, 8332334, 9754234, 11858882, 24220259, 29163169, 34139819, 41506087, 48440518, 58326338, 68279638, 83012174, 169541813, 204142183, 339083626, 408284366, 1428995281, 2857990562, 10002966967, 20005933934]

約数ペア:

[(1, 20005933934), (2, 10002966967), (7, 2857990562), (14, 1428995281), (49, 408284366), (59, 339083626), (98, 204142183), (118, 169541813), (241, 83012174), (293, 68279638), (343, 58326338), (413, 48440518), (482, 41506087), (586, 34139819), (686, 29163169), (826, 24220259), (1687, 11858882), (2051, 9754234), (2401, 8332334), (2891, 6920074), (3374, 5929441), (4102, 4877117), (4802, 4166167), (5782, 3460037), (11809, 1694126), (14219, 1406986), (14357, 1393462), (17287, 1157282), (20237, 988582), (23618, 847063), (28438, 703493), (28714, 696731), (34574, 578641), (40474, 494291), (70613, 283318), (82663, 242018), (99533, 200998), (100499, 199066), (121009, 165326), (141226, 141659)]