20463705

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5227}}^1$

素因数の和:5270

約数の個数: 32

約数和(自身を含む): 37641600

約数和(自身を除く): 17177895

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5227, 15681, 26135, 47043, 78405, 141129, 151583, 235215, 454749, 705645, 757915, 1364247, 2273745, 4092741, 6821235, 20463705]

約数ペア:

[(1, 20463705), (3, 6821235), (5, 4092741), (9, 2273745), (15, 1364247), (27, 757915), (29, 705645), (45, 454749), (87, 235215), (135, 151583), (145, 141129), (261, 78405), (435, 47043), (783, 26135), (1305, 15681), (3915, 5227)]