20135052120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1\times {\mathrm{2243}}^1$

素因数の和:2809

約数の個数: 128

約数和(自身を含む): 60878822400

約数和(自身を除く): 40743770280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 313, 478, 626, 717, 939, 956, 1195, 1252, 1434, 1565, 1878, 1912, 2243, 2390, 2504, 2868, 3130, 3585, 3756, 4486, 4695, 4780, 5736, 6260, 6729, 7170, 7512, 8972, 9390, 9560, 11215, 12520, 13458, 14340, 17944, 18780, 22430, 26916, 28680, 33645, 37560, 44860, 53832, 67290, 74807, 89720, 134580, 149614, 224421, 269160, 299228, 374035, 448842, 536077, 598456, 702059, 748070, 897684, 1072154, 1122105, 1404118, 1496140, 1608231, 1795368, 2106177, 2144308, 2244210, 2680385, 2808236, 2992280, 3216462, 3510295, 4212354, 4288616, 4488420, 5360770, 5616472, 6432924, 7020590, 8041155, 8424708, 8976840, 10530885, 10721540, 12865848, 14041180, 16082310, 16849416, 21061770, 21443080, 28082360, 32164620, 42123540, 64329240, 84247080, 167792101, 335584202, 503376303, 671168404, 838960505, 1006752606, 1342336808, 1677921010, 2013505212, 2516881515, 3355842020, 4027010424, 5033763030, 6711684040, 10067526060, 20135052120]

約数ペア:

[(1, 20135052120), (2, 10067526060), (3, 6711684040), (4, 5033763030), (5, 4027010424), (6, 3355842020), (8, 2516881515), (10, 2013505212), (12, 1677921010), (15, 1342336808), (20, 1006752606), (24, 838960505), (30, 671168404), (40, 503376303), (60, 335584202), (120, 167792101), (239, 84247080), (313, 64329240), (478, 42123540), (626, 32164620), (717, 28082360), (939, 21443080), (956, 21061770), (1195, 16849416), (1252, 16082310), (1434, 14041180), (1565, 12865848), (1878, 10721540), (1912, 10530885), (2243, 8976840), (2390, 8424708), (2504, 8041155), (2868, 7020590), (3130, 6432924), (3585, 5616472), (3756, 5360770), (4486, 4488420), (4695, 4288616), (4780, 4212354), (5736, 3510295), (6260, 3216462), (6729, 2992280), (7170, 2808236), (7512, 2680385), (8972, 2244210), (9390, 2144308), (9560, 2106177), (11215, 1795368), (12520, 1608231), (13458, 1496140), (14340, 1404118), (17944, 1122105), (18780, 1072154), (22430, 897684), (26916, 748070), (28680, 702059), (33645, 598456), (37560, 536077), (44860, 448842), (53832, 374035), (67290, 299228), (74807, 269160), (89720, 224421), (134580, 149614)]