20501235

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8933}}^1$

素因数の和:8964

約数の個数: 32

約数和(自身を含む): 38594880

約数和(自身を除く): 18093645

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8933, 26799, 44665, 80397, 133995, 151861, 241191, 401985, 455583, 759305, 1205955, 1366749, 2277915, 4100247, 6833745, 20501235]

約数ペア:

[(1, 20501235), (3, 6833745), (5, 4100247), (9, 2277915), (15, 1366749), (17, 1205955), (27, 759305), (45, 455583), (51, 401985), (85, 241191), (135, 151861), (153, 133995), (255, 80397), (459, 44665), (765, 26799), (2295, 8933)]