20129830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12503}}^1$

素因数の和:12540

約数の個数: 32

約数和(自身を含む): 43213824

約数和(自身を除く): 23083994

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12503, 25006, 62515, 87521, 125030, 175042, 287569, 437605, 575138, 875210, 1437845, 2012983, 2875690, 4025966, 10064915, 20129830]

約数ペア:

[(1, 20129830), (2, 10064915), (5, 4025966), (7, 2875690), (10, 2012983), (14, 1437845), (23, 875210), (35, 575138), (46, 437605), (70, 287569), (115, 175042), (161, 125030), (230, 87521), (322, 62515), (805, 25006), (1610, 12503)]