20462078120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{33529}}^1$

素因数の和:33643

約数の個数: 128

約数和(自身を含む): 53594352000

約数和(自身を除く): 33132273880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 73, 76, 88, 95, 110, 146, 152, 190, 209, 220, 292, 365, 380, 418, 440, 584, 730, 760, 803, 836, 1045, 1387, 1460, 1606, 1672, 2090, 2774, 2920, 3212, 4015, 4180, 5548, 6424, 6935, 8030, 8360, 11096, 13870, 15257, 16060, 27740, 30514, 32120, 33529, 55480, 61028, 67058, 76285, 122056, 134116, 152570, 167645, 268232, 305140, 335290, 368819, 610280, 637051, 670580, 737638, 1274102, 1341160, 1475276, 1844095, 2447617, 2548204, 2950552, 3185255, 3688190, 4895234, 5096408, 6370510, 7007561, 7376380, 9790468, 12238085, 12741020, 14015122, 14752760, 19580936, 24476170, 25482040, 26923787, 28030244, 35037805, 46504723, 48952340, 53847574, 56060488, 70075610, 93009446, 97904680, 107695148, 134618935, 140151220, 186018892, 215390296, 232523615, 269237870, 280302440, 372037784, 465047230, 511551953, 538475740, 930094460, 1023103906, 1076951480, 1860188920, 2046207812, 2557759765, 4092415624, 5115519530, 10231039060, 20462078120]

約数ペア:

[(1, 20462078120), (2, 10231039060), (4, 5115519530), (5, 4092415624), (8, 2557759765), (10, 2046207812), (11, 1860188920), (19, 1076951480), (20, 1023103906), (22, 930094460), (38, 538475740), (40, 511551953), (44, 465047230), (55, 372037784), (73, 280302440), (76, 269237870), (88, 232523615), (95, 215390296), (110, 186018892), (146, 140151220), (152, 134618935), (190, 107695148), (209, 97904680), (220, 93009446), (292, 70075610), (365, 56060488), (380, 53847574), (418, 48952340), (440, 46504723), (584, 35037805), (730, 28030244), (760, 26923787), (803, 25482040), (836, 24476170), (1045, 19580936), (1387, 14752760), (1460, 14015122), (1606, 12741020), (1672, 12238085), (2090, 9790468), (2774, 7376380), (2920, 7007561), (3212, 6370510), (4015, 5096408), (4180, 4895234), (5548, 3688190), (6424, 3185255), (6935, 2950552), (8030, 2548204), (8360, 2447617), (11096, 1844095), (13870, 1475276), (15257, 1341160), (16060, 1274102), (27740, 737638), (30514, 670580), (32120, 637051), (33529, 610280), (55480, 368819), (61028, 335290), (67058, 305140), (76285, 268232), (122056, 167645), (134116, 152570)]