20263100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 108

約数和(自身を含む): 52418520

約数和(自身を除く): 32155420

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 109, 110, 130, 143, 169, 218, 220, 260, 275, 286, 325, 338, 436, 545, 550, 572, 650, 676, 715, 845, 1090, 1100, 1199, 1300, 1417, 1430, 1690, 1859, 2180, 2398, 2725, 2834, 2860, 3380, 3575, 3718, 4225, 4796, 5450, 5668, 5995, 7085, 7150, 7436, 8450, 9295, 10900, 11990, 14170, 14300, 15587, 16900, 18421, 18590, 23980, 28340, 29975, 31174, 35425, 36842, 37180, 46475, 59950, 62348, 70850, 73684, 77935, 92105, 92950, 119900, 141700, 155870, 184210, 185900, 202631, 311740, 368420, 389675, 405262, 460525, 779350, 810524, 921050, 1013155, 1558700, 1842100, 2026310, 4052620, 5065775, 10131550, 20263100]

約数ペア:

[(1, 20263100), (2, 10131550), (4, 5065775), (5, 4052620), (10, 2026310), (11, 1842100), (13, 1558700), (20, 1013155), (22, 921050), (25, 810524), (26, 779350), (44, 460525), (50, 405262), (52, 389675), (55, 368420), (65, 311740), (100, 202631), (109, 185900), (110, 184210), (130, 155870), (143, 141700), (169, 119900), (218, 92950), (220, 92105), (260, 77935), (275, 73684), (286, 70850), (325, 62348), (338, 59950), (436, 46475), (545, 37180), (550, 36842), (572, 35425), (650, 31174), (676, 29975), (715, 28340), (845, 23980), (1090, 18590), (1100, 18421), (1199, 16900), (1300, 15587), (1417, 14300), (1430, 14170), (1690, 11990), (1859, 10900), (2180, 9295), (2398, 8450), (2725, 7436), (2834, 7150), (2860, 7085), (3380, 5995), (3575, 5668), (3718, 5450), (4225, 4796)]