20073735

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 38413440

約数和(自身を除く): 18339705

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 107, 165, 321, 379, 495, 535, 963, 1137, 1177, 1605, 1895, 3411, 3531, 4169, 4815, 5685, 5885, 10593, 12507, 17055, 17655, 20845, 37521, 40553, 52965, 62535, 121659, 187605, 202765, 364977, 446083, 608295, 1338249, 1824885, 2230415, 4014747, 6691245, 20073735]

約数ペア:

[(1, 20073735), (3, 6691245), (5, 4014747), (9, 2230415), (11, 1824885), (15, 1338249), (33, 608295), (45, 446083), (55, 364977), (99, 202765), (107, 187605), (165, 121659), (321, 62535), (379, 52965), (495, 40553), (535, 37521), (963, 20845), (1137, 17655), (1177, 17055), (1605, 12507), (1895, 10593), (3411, 5885), (3531, 5685), (4169, 4815)]