20996870445

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{49069}}^1$

素因数の和:49374

約数の個数: 48

約数和(自身を含む): 37524417840

約数和(自身を除く): 16527547395

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 257, 333, 555, 771, 1285, 1665, 2313, 3855, 9509, 11565, 28527, 47545, 49069, 85581, 142635, 147207, 245345, 427905, 441621, 736035, 1815553, 2208105, 5446659, 9077765, 12610733, 16339977, 27233295, 37832199, 63053665, 81699885, 113496597, 189160995, 466597121, 567482985, 1399791363, 2332985605, 4199374089, 6998956815, 20996870445]

約数ペア:

[(1, 20996870445), (3, 6998956815), (5, 4199374089), (9, 2332985605), (15, 1399791363), (37, 567482985), (45, 466597121), (111, 189160995), (185, 113496597), (257, 81699885), (333, 63053665), (555, 37832199), (771, 27233295), (1285, 16339977), (1665, 12610733), (2313, 9077765), (3855, 5446659), (9509, 2208105), (11565, 1815553), (28527, 736035), (47545, 441621), (49069, 427905), (85581, 245345), (142635, 147207)]