20283615

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 41294880

約数和(自身を除く): 21011265

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 81, 87, 99, 135, 145, 157, 165, 261, 297, 319, 405, 435, 471, 495, 783, 785, 891, 957, 1305, 1413, 1485, 1595, 1727, 2349, 2355, 2871, 3915, 4239, 4455, 4553, 4785, 5181, 7065, 8613, 8635, 11745, 12717, 13659, 14355, 15543, 21195, 22765, 25839, 25905, 40977, 43065, 46629, 50083, 63585, 68295, 77715, 122931, 129195, 139887, 150249, 204885, 233145, 250415, 368793, 450747, 614655, 699435, 751245, 1352241, 1843965, 2253735, 4056723, 6761205, 20283615]

約数ペア:

[(1, 20283615), (3, 6761205), (5, 4056723), (9, 2253735), (11, 1843965), (15, 1352241), (27, 751245), (29, 699435), (33, 614655), (45, 450747), (55, 368793), (81, 250415), (87, 233145), (99, 204885), (135, 150249), (145, 139887), (157, 129195), (165, 122931), (261, 77715), (297, 68295), (319, 63585), (405, 50083), (435, 46629), (471, 43065), (495, 40977), (783, 25905), (785, 25839), (891, 22765), (957, 21195), (1305, 15543), (1413, 14355), (1485, 13659), (1595, 12717), (1727, 11745), (2349, 8635), (2355, 8613), (2871, 7065), (3915, 5181), (4239, 4785), (4455, 4553)]