20051010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^2$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 61706880

約数和(自身を除く): 41655870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 103, 105, 126, 135, 189, 206, 210, 270, 309, 315, 378, 515, 618, 630, 721, 927, 945, 1030, 1442, 1545, 1854, 1890, 2163, 2781, 3090, 3605, 4326, 4635, 5562, 6489, 7210, 9270, 10609, 10815, 12978, 13905, 19467, 21218, 21630, 27810, 31827, 32445, 38934, 53045, 63654, 64890, 74263, 95481, 97335, 106090, 148526, 159135, 190962, 194670, 222789, 286443, 318270, 371315, 445578, 477405, 572886, 668367, 742630, 954810, 1113945, 1336734, 1432215, 2005101, 2227890, 2864430, 3341835, 4010202, 6683670, 10025505, 20051010]

約数ペア:

[(1, 20051010), (2, 10025505), (3, 6683670), (5, 4010202), (6, 3341835), (7, 2864430), (9, 2227890), (10, 2005101), (14, 1432215), (15, 1336734), (18, 1113945), (21, 954810), (27, 742630), (30, 668367), (35, 572886), (42, 477405), (45, 445578), (54, 371315), (63, 318270), (70, 286443), (90, 222789), (103, 194670), (105, 190962), (126, 159135), (135, 148526), (189, 106090), (206, 97335), (210, 95481), (270, 74263), (309, 64890), (315, 63654), (378, 53045), (515, 38934), (618, 32445), (630, 31827), (721, 27810), (927, 21630), (945, 21218), (1030, 19467), (1442, 13905), (1545, 12978), (1854, 10815), (1890, 10609), (2163, 9270), (2781, 7210), (3090, 6489), (3605, 5562), (4326, 4635)]