22217980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 49968576

約数和(自身を除く): 27750596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 647, 1010, 1294, 1717, 2020, 2588, 3235, 3434, 6470, 6868, 8585, 10999, 12940, 17170, 21998, 34340, 43996, 54995, 65347, 109990, 130694, 219980, 261388, 326735, 653470, 1110899, 1306940, 2221798, 4443596, 5554495, 11108990, 22217980]

約数ペア:

[(1, 22217980), (2, 11108990), (4, 5554495), (5, 4443596), (10, 2221798), (17, 1306940), (20, 1110899), (34, 653470), (68, 326735), (85, 261388), (101, 219980), (170, 130694), (202, 109990), (340, 65347), (404, 54995), (505, 43996), (647, 34340), (1010, 21998), (1294, 17170), (1717, 12940), (2020, 10999), (2588, 8585), (3235, 6868), (3434, 6470)]