20020432900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{829}}^1\times {\mathrm{1429}}^1$

素因数の和:2298

約数の個数: 108

約数和(自身を含む): 47132985900

約数和(自身を除く): 27112553000

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 829, 845, 1300, 1429, 1658, 1690, 2858, 3316, 3380, 4145, 4225, 5716, 7145, 8290, 8450, 10777, 14290, 16580, 16900, 18577, 20725, 21554, 28580, 35725, 37154, 41450, 43108, 53885, 71450, 74308, 82900, 92885, 107770, 140101, 142900, 185770, 215540, 241501, 269425, 280202, 371540, 464425, 483002, 538850, 560404, 700505, 928850, 966004, 1077700, 1184641, 1207505, 1401010, 1857700, 2369282, 2415010, 2802020, 3502525, 4738564, 4830020, 5923205, 6037525, 7005050, 11846410, 12075050, 14010100, 15400333, 23692820, 24150100, 29616025, 30800666, 59232050, 61601332, 77001665, 118464100, 154003330, 200204329, 308006660, 385008325, 400408658, 770016650, 800817316, 1001021645, 1540033300, 2002043290, 4004086580, 5005108225, 10010216450, 20020432900]

約数ペア:

[(1, 20020432900), (2, 10010216450), (4, 5005108225), (5, 4004086580), (10, 2002043290), (13, 1540033300), (20, 1001021645), (25, 800817316), (26, 770016650), (50, 400408658), (52, 385008325), (65, 308006660), (100, 200204329), (130, 154003330), (169, 118464100), (260, 77001665), (325, 61601332), (338, 59232050), (650, 30800666), (676, 29616025), (829, 24150100), (845, 23692820), (1300, 15400333), (1429, 14010100), (1658, 12075050), (1690, 11846410), (2858, 7005050), (3316, 6037525), (3380, 5923205), (4145, 4830020), (4225, 4738564), (5716, 3502525), (7145, 2802020), (8290, 2415010), (8450, 2369282), (10777, 1857700), (14290, 1401010), (16580, 1207505), (16900, 1184641), (18577, 1077700), (20725, 966004), (21554, 928850), (28580, 700505), (35725, 560404), (37154, 538850), (41450, 483002), (43108, 464425), (53885, 371540), (71450, 280202), (74308, 269425), (82900, 241501), (92885, 215540), (107770, 185770), (140101, 142900)]