20120155930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{571433}}^1$

素因数の和:571950

約数の個数: 32

約数和(自身を含む): 41472393984

約数和(自身を除く): 21352238054

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 503, 1006, 2515, 3521, 5030, 7042, 17605, 35210, 571433, 1142866, 2857165, 4000031, 5714330, 8000062, 20000155, 40000310, 287430799, 574861598, 1437153995, 2012015593, 2874307990, 4024031186, 10060077965, 20120155930]

約数ペア:

[(1, 20120155930), (2, 10060077965), (5, 4024031186), (7, 2874307990), (10, 2012015593), (14, 1437153995), (35, 574861598), (70, 287430799), (503, 40000310), (1006, 20000155), (2515, 8000062), (3521, 5714330), (5030, 4000031), (7042, 2857165), (17605, 1142866), (35210, 571433)]