20852028285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{191189}}^1$

素因数の和:191869

約数の個数: 32

約数和(自身を含む): 36451520640

約数和(自身を除く): 15599492355

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 661, 1983, 3305, 7271, 9915, 21813, 36355, 109065, 191189, 573567, 955945, 2103079, 2867835, 6309237, 10515395, 31546185, 126375929, 379127787, 631879645, 1390135219, 1895638935, 4170405657, 6950676095, 20852028285]

約数ペア:

[(1, 20852028285), (3, 6950676095), (5, 4170405657), (11, 1895638935), (15, 1390135219), (33, 631879645), (55, 379127787), (165, 126375929), (661, 31546185), (1983, 10515395), (3305, 6309237), (7271, 2867835), (9915, 2103079), (21813, 955945), (36355, 573567), (109065, 191189)]