20305376

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 51932160

約数和(自身を除く): 31626784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 364, 367, 416, 494, 532, 608, 728, 734, 988, 1064, 1456, 1468, 1729, 1976, 2128, 2569, 2912, 2936, 3458, 3952, 4256, 4771, 5138, 5872, 6916, 6973, 7904, 9542, 10276, 11744, 13832, 13946, 19084, 20552, 27664, 27892, 33397, 38168, 41104, 48811, 55328, 55784, 66794, 76336, 82208, 90649, 97622, 111568, 133588, 152672, 181298, 195244, 223136, 267176, 362596, 390488, 534352, 634543, 725192, 780976, 1068704, 1269086, 1450384, 1561952, 2538172, 2900768, 5076344, 10152688, 20305376]

約数ペア:

[(1, 20305376), (2, 10152688), (4, 5076344), (7, 2900768), (8, 2538172), (13, 1561952), (14, 1450384), (16, 1269086), (19, 1068704), (26, 780976), (28, 725192), (32, 634543), (38, 534352), (52, 390488), (56, 362596), (76, 267176), (91, 223136), (104, 195244), (112, 181298), (133, 152672), (152, 133588), (182, 111568), (208, 97622), (224, 90649), (247, 82208), (266, 76336), (304, 66794), (364, 55784), (367, 55328), (416, 48811), (494, 41104), (532, 38168), (608, 33397), (728, 27892), (734, 27664), (988, 20552), (1064, 19084), (1456, 13946), (1468, 13832), (1729, 11744), (1976, 10276), (2128, 9542), (2569, 7904), (2912, 6973), (2936, 6916), (3458, 5872), (3952, 5138), (4256, 4771)]