20125260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 65493792

約数和(自身を除く): 45368532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 101, 108, 123, 135, 162, 164, 180, 202, 205, 243, 246, 270, 303, 324, 369, 404, 405, 410, 486, 492, 505, 540, 606, 615, 738, 810, 820, 909, 972, 1010, 1107, 1212, 1215, 1230, 1476, 1515, 1620, 1818, 1845, 2020, 2214, 2430, 2460, 2727, 3030, 3321, 3636, 3690, 4141, 4428, 4545, 4860, 5454, 5535, 6060, 6642, 7380, 8181, 8282, 9090, 9963, 10908, 11070, 12423, 13284, 13635, 16362, 16564, 16605, 18180, 19926, 20705, 22140, 24543, 24846, 27270, 32724, 33210, 37269, 39852, 40905, 41410, 49086, 49692, 49815, 54540, 62115, 66420, 74538, 81810, 82820, 98172, 99630, 111807, 122715, 124230, 149076, 163620, 186345, 199260, 223614, 245430, 248460, 335421, 372690, 447228, 490860, 559035, 670842, 745380, 1006263, 1118070, 1341684, 1677105, 2012526, 2236140, 3354210, 4025052, 5031315, 6708420, 10062630, 20125260]

約数ペア:

[(1, 20125260), (2, 10062630), (3, 6708420), (4, 5031315), (5, 4025052), (6, 3354210), (9, 2236140), (10, 2012526), (12, 1677105), (15, 1341684), (18, 1118070), (20, 1006263), (27, 745380), (30, 670842), (36, 559035), (41, 490860), (45, 447228), (54, 372690), (60, 335421), (81, 248460), (82, 245430), (90, 223614), (101, 199260), (108, 186345), (123, 163620), (135, 149076), (162, 124230), (164, 122715), (180, 111807), (202, 99630), (205, 98172), (243, 82820), (246, 81810), (270, 74538), (303, 66420), (324, 62115), (369, 54540), (404, 49815), (405, 49692), (410, 49086), (486, 41410), (492, 40905), (505, 39852), (540, 37269), (606, 33210), (615, 32724), (738, 27270), (810, 24846), (820, 24543), (909, 22140), (972, 20705), (1010, 19926), (1107, 18180), (1212, 16605), (1215, 16564), (1230, 16362), (1476, 13635), (1515, 13284), (1620, 12423), (1818, 11070), (1845, 10908), (2020, 9963), (2214, 9090), (2430, 8282), (2460, 8181), (2727, 7380), (3030, 6642), (3321, 6060), (3636, 5535), (3690, 5454), (4141, 4860), (4428, 4545)]