20120740030

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64905613}}^1$

素因数の和:64905651

約数の個数: 16

約数和(自身を含む): 37385633664

約数和(自身を除く): 17264893634

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 64905613, 129811226, 324528065, 649056130, 2012074003, 4024148006, 10060370015, 20120740030]

約数ペア:

[(1, 20120740030), (2, 10060370015), (5, 4024148006), (10, 2012074003), (31, 649056130), (62, 324528065), (155, 129811226), (310, 64905613)]