20371340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 29948020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 103, 110, 116, 124, 145, 155, 206, 220, 290, 310, 319, 341, 412, 515, 580, 620, 638, 682, 899, 1030, 1133, 1276, 1364, 1595, 1705, 1798, 2060, 2266, 2987, 3190, 3193, 3410, 3596, 4495, 4532, 5665, 5974, 6380, 6386, 6820, 8990, 9889, 11330, 11948, 12772, 14935, 15965, 17980, 19778, 22660, 29870, 31930, 32857, 35123, 39556, 49445, 59740, 63860, 65714, 70246, 92597, 98890, 131428, 140492, 164285, 175615, 185194, 197780, 328570, 351230, 370388, 462985, 657140, 702460, 925970, 1018567, 1851940, 2037134, 4074268, 5092835, 10185670, 20371340]

約数ペア:

[(1, 20371340), (2, 10185670), (4, 5092835), (5, 4074268), (10, 2037134), (11, 1851940), (20, 1018567), (22, 925970), (29, 702460), (31, 657140), (44, 462985), (55, 370388), (58, 351230), (62, 328570), (103, 197780), (110, 185194), (116, 175615), (124, 164285), (145, 140492), (155, 131428), (206, 98890), (220, 92597), (290, 70246), (310, 65714), (319, 63860), (341, 59740), (412, 49445), (515, 39556), (580, 35123), (620, 32857), (638, 31930), (682, 29870), (899, 22660), (1030, 19778), (1133, 17980), (1276, 15965), (1364, 14935), (1595, 12772), (1705, 11948), (1798, 11330), (2060, 9889), (2266, 8990), (2987, 6820), (3190, 6386), (3193, 6380), (3410, 5974), (3596, 5665), (4495, 4532)]