20121170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 38209536

約数和(自身を除く): 18088366

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 1381, 1457, 2762, 2914, 6905, 7285, 13810, 14570, 42811, 64907, 85622, 129814, 214055, 324535, 428110, 649070, 2012117, 4024234, 10060585, 20121170]

約数ペア:

[(1, 20121170), (2, 10060585), (5, 4024234), (10, 2012117), (31, 649070), (47, 428110), (62, 324535), (94, 214055), (155, 129814), (235, 85622), (310, 64907), (470, 42811), (1381, 14570), (1457, 13810), (2762, 7285), (2914, 6905)]