20262450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10391}}^1$

素因数の和:10419

約数の個数: 48

約数和(自身を含む): 54121536

約数和(自身を除く): 33859086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10391, 20782, 31173, 51955, 62346, 103910, 135083, 155865, 259775, 270166, 311730, 405249, 519550, 675415, 779325, 810498, 1350830, 1558650, 2026245, 3377075, 4052490, 6754150, 10131225, 20262450]

約数ペア:

[(1, 20262450), (2, 10131225), (3, 6754150), (5, 4052490), (6, 3377075), (10, 2026245), (13, 1558650), (15, 1350830), (25, 810498), (26, 779325), (30, 675415), (39, 519550), (50, 405249), (65, 311730), (75, 270166), (78, 259775), (130, 155865), (150, 135083), (195, 103910), (325, 62346), (390, 51955), (650, 31173), (975, 20782), (1950, 10391)]