20536416915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{142867}}^1$

素因数の和:142956

約数の個数: 48

約数和(自身を含む): 38594932992

約数和(自身を除く): 18058516077

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 1369, 3885, 4107, 6845, 9583, 20535, 28749, 47915, 142867, 143745, 428601, 714335, 1000069, 2143005, 3000207, 5000345, 5286079, 15001035, 15858237, 26430395, 37002553, 79291185, 111007659, 185012765, 195584923, 555038295, 586754769, 977924615, 1369094461, 2933773845, 4107283383, 6845472305, 20536416915]

約数ペア:

[(1, 20536416915), (3, 6845472305), (5, 4107283383), (7, 2933773845), (15, 1369094461), (21, 977924615), (35, 586754769), (37, 555038295), (105, 195584923), (111, 185012765), (185, 111007659), (259, 79291185), (555, 37002553), (777, 26430395), (1295, 15858237), (1369, 15001035), (3885, 5286079), (4107, 5000345), (6845, 3000207), (9583, 2143005), (20535, 1000069), (28749, 714335), (47915, 428601), (142867, 143745)]