20011914

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1036

約数の個数: 64

約数和(自身を含む): 49593600

約数和(自身を除く): 29581686

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 87, 117, 174, 234, 261, 351, 377, 522, 702, 754, 783, 983, 1131, 1566, 1966, 2262, 2949, 3393, 5898, 6786, 8847, 10179, 12779, 17694, 20358, 25558, 26541, 28507, 38337, 53082, 57014, 76674, 85521, 115011, 171042, 230022, 256563, 345033, 370591, 513126, 690066, 741182, 769689, 1111773, 1539378, 2223546, 3335319, 6670638, 10005957, 20011914]

約数ペア:

[(1, 20011914), (2, 10005957), (3, 6670638), (6, 3335319), (9, 2223546), (13, 1539378), (18, 1111773), (26, 769689), (27, 741182), (29, 690066), (39, 513126), (54, 370591), (58, 345033), (78, 256563), (87, 230022), (117, 171042), (174, 115011), (234, 85521), (261, 76674), (351, 57014), (377, 53082), (522, 38337), (702, 28507), (754, 26541), (783, 25558), (983, 20358), (1131, 17694), (1566, 12779), (1966, 10179), (2262, 8847), (2949, 6786), (3393, 5898)]