20035160980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{473197}}^1$

素因数の和:473308

約数の個数: 48

約数和(自身を含む): 44120981520

約数和(自身を除く): 24085820540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 4234, 8468, 10585, 21170, 42340, 473197, 946394, 1892788, 2365985, 4731970, 9463940, 13722713, 27445426, 34543381, 54890852, 68613565, 69086762, 137227130, 138173524, 172716905, 274454260, 345433810, 690867620, 1001758049, 2003516098, 4007032196, 5008790245, 10017580490, 20035160980]

約数ペア:

[(1, 20035160980), (2, 10017580490), (4, 5008790245), (5, 4007032196), (10, 2003516098), (20, 1001758049), (29, 690867620), (58, 345433810), (73, 274454260), (116, 172716905), (145, 138173524), (146, 137227130), (290, 69086762), (292, 68613565), (365, 54890852), (580, 34543381), (730, 27445426), (1460, 13722713), (2117, 9463940), (4234, 4731970), (8468, 2365985), (10585, 1892788), (21170, 946394), (42340, 473197)]