22391980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 51395904

約数和(自身を除く): 29003924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1213, 1420, 1846, 2426, 3692, 4615, 4852, 6065, 9230, 12130, 15769, 18460, 24260, 31538, 63076, 78845, 86123, 157690, 172246, 315380, 344492, 430615, 861230, 1119599, 1722460, 2239198, 4478396, 5597995, 11195990, 22391980]

約数ペア:

[(1, 22391980), (2, 11195990), (4, 5597995), (5, 4478396), (10, 2239198), (13, 1722460), (20, 1119599), (26, 861230), (52, 430615), (65, 344492), (71, 315380), (130, 172246), (142, 157690), (260, 86123), (284, 78845), (355, 63076), (710, 31538), (923, 24260), (1213, 18460), (1420, 15769), (1846, 12130), (2426, 9230), (3692, 6065), (4615, 4852)]