20336992

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 27079328

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 83, 104, 124, 152, 166, 208, 247, 248, 304, 332, 403, 416, 494, 496, 589, 608, 664, 806, 988, 992, 1079, 1178, 1328, 1577, 1612, 1976, 2158, 2356, 2573, 2656, 3154, 3224, 3952, 4316, 4712, 5146, 6308, 6448, 7657, 7904, 8632, 9424, 10292, 12616, 12896, 15314, 17264, 18848, 20501, 20584, 25232, 30628, 33449, 34528, 41002, 41168, 48887, 50464, 61256, 66898, 82004, 82336, 97774, 122512, 133796, 164008, 195548, 245024, 267592, 328016, 391096, 535184, 635531, 656032, 782192, 1070368, 1271062, 1564384, 2542124, 5084248, 10168496, 20336992]

約数ペア:

[(1, 20336992), (2, 10168496), (4, 5084248), (8, 2542124), (13, 1564384), (16, 1271062), (19, 1070368), (26, 782192), (31, 656032), (32, 635531), (38, 535184), (52, 391096), (62, 328016), (76, 267592), (83, 245024), (104, 195548), (124, 164008), (152, 133796), (166, 122512), (208, 97774), (247, 82336), (248, 82004), (304, 66898), (332, 61256), (403, 50464), (416, 48887), (494, 41168), (496, 41002), (589, 34528), (608, 33449), (664, 30628), (806, 25232), (988, 20584), (992, 20501), (1079, 18848), (1178, 17264), (1328, 15314), (1577, 12896), (1612, 12616), (1976, 10292), (2158, 9424), (2356, 8632), (2573, 7904), (2656, 7657), (3154, 6448), (3224, 6308), (3952, 5146), (4316, 4712)]