20454564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 55444480

約数和(自身を除く): 34989916

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 67, 76, 78, 103, 114, 134, 156, 201, 206, 228, 247, 268, 309, 402, 412, 494, 618, 741, 804, 871, 988, 1236, 1273, 1339, 1482, 1742, 1957, 2546, 2613, 2678, 2964, 3484, 3819, 3914, 4017, 5092, 5226, 5356, 5871, 6901, 7638, 7828, 8034, 10452, 11742, 13802, 15276, 16068, 16549, 20703, 23484, 25441, 27604, 33098, 41406, 49647, 50882, 66196, 76323, 82812, 89713, 99294, 101764, 131119, 152646, 179426, 198588, 262238, 269139, 305292, 358852, 393357, 524476, 538278, 786714, 1076556, 1573428, 1704547, 3409094, 5113641, 6818188, 10227282, 20454564]

約数ペア:

[(1, 20454564), (2, 10227282), (3, 6818188), (4, 5113641), (6, 3409094), (12, 1704547), (13, 1573428), (19, 1076556), (26, 786714), (38, 538278), (39, 524476), (52, 393357), (57, 358852), (67, 305292), (76, 269139), (78, 262238), (103, 198588), (114, 179426), (134, 152646), (156, 131119), (201, 101764), (206, 99294), (228, 89713), (247, 82812), (268, 76323), (309, 66196), (402, 50882), (412, 49647), (494, 41406), (618, 33098), (741, 27604), (804, 25441), (871, 23484), (988, 20703), (1236, 16549), (1273, 16068), (1339, 15276), (1482, 13802), (1742, 11742), (1957, 10452), (2546, 8034), (2613, 7828), (2678, 7638), (2964, 6901), (3484, 5871), (3819, 5356), (3914, 5226), (4017, 5092)]