20166885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 37315200

約数和(自身を除く): 17148315

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 103, 171, 229, 285, 309, 515, 687, 855, 927, 1145, 1545, 1957, 2061, 3435, 4351, 4635, 5871, 9785, 10305, 13053, 17613, 21755, 23587, 29355, 39159, 65265, 70761, 88065, 117935, 195795, 212283, 353805, 448153, 1061415, 1344459, 2240765, 4033377, 6722295, 20166885]

約数ペア:

[(1, 20166885), (3, 6722295), (5, 4033377), (9, 2240765), (15, 1344459), (19, 1061415), (45, 448153), (57, 353805), (95, 212283), (103, 195795), (171, 117935), (229, 88065), (285, 70761), (309, 65265), (515, 39159), (687, 29355), (855, 23587), (927, 21755), (1145, 17613), (1545, 13053), (1957, 10305), (2061, 9785), (3435, 5871), (4351, 4635)]