20172469660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1\times {\mathrm{1621}}^1$

素因数の和:2603

約数の個数: 96

約数和(自身を含む): 48970801152

約数和(自身を除く): 28798331492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 863, 1030, 1442, 1621, 1726, 2060, 2884, 3242, 3452, 3605, 4315, 6041, 6484, 7210, 8105, 8630, 11347, 12082, 14420, 16210, 17260, 22694, 24164, 30205, 32420, 45388, 56735, 60410, 88889, 113470, 120820, 166963, 177778, 226940, 333926, 355556, 444445, 622223, 667852, 834815, 888890, 1168741, 1244446, 1398923, 1669630, 1777780, 2337482, 2488892, 2797846, 3111115, 3339260, 4674964, 5595692, 5843705, 6222230, 6994615, 9792461, 11687410, 12444460, 13989230, 19584922, 23374820, 27978460, 39169844, 48962305, 97924610, 144089069, 195849220, 288178138, 576356276, 720445345, 1008623483, 1440890690, 2017246966, 2881781380, 4034493932, 5043117415, 10086234830, 20172469660]

約数ペア:

[(1, 20172469660), (2, 10086234830), (4, 5043117415), (5, 4034493932), (7, 2881781380), (10, 2017246966), (14, 1440890690), (20, 1008623483), (28, 720445345), (35, 576356276), (70, 288178138), (103, 195849220), (140, 144089069), (206, 97924610), (412, 48962305), (515, 39169844), (721, 27978460), (863, 23374820), (1030, 19584922), (1442, 13989230), (1621, 12444460), (1726, 11687410), (2060, 9792461), (2884, 6994615), (3242, 6222230), (3452, 5843705), (3605, 5595692), (4315, 4674964), (6041, 3339260), (6484, 3111115), (7210, 2797846), (8105, 2488892), (8630, 2337482), (11347, 1777780), (12082, 1669630), (14420, 1398923), (16210, 1244446), (17260, 1168741), (22694, 888890), (24164, 834815), (30205, 667852), (32420, 622223), (45388, 444445), (56735, 355556), (60410, 333926), (88889, 226940), (113470, 177778), (120820, 166963)]