20383510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2447}}^1$

素因数の和:2485

約数の個数: 48

約数和(自身を含む): 45209664

約数和(自身を除く): 24826154

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 2447, 4165, 4894, 8330, 12235, 17129, 24470, 34258, 41599, 83198, 85645, 119903, 171290, 207995, 239806, 291193, 415990, 582386, 599515, 1199030, 1455965, 2038351, 2911930, 4076702, 10191755, 20383510]

約数ペア:

[(1, 20383510), (2, 10191755), (5, 4076702), (7, 2911930), (10, 2038351), (14, 1455965), (17, 1199030), (34, 599515), (35, 582386), (49, 415990), (70, 291193), (85, 239806), (98, 207995), (119, 171290), (170, 119903), (238, 85645), (245, 83198), (490, 41599), (595, 34258), (833, 24470), (1190, 17129), (1666, 12235), (2447, 8330), (4165, 4894)]