20405544

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 54523200

約数和(自身を除く): 34117656

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 73, 76, 114, 146, 152, 219, 228, 292, 438, 456, 584, 613, 876, 1226, 1387, 1752, 1839, 2452, 2774, 3678, 4161, 4904, 5548, 7356, 8322, 11096, 11647, 14712, 16644, 23294, 33288, 34941, 44749, 46588, 69882, 89498, 93176, 134247, 139764, 178996, 268494, 279528, 357992, 536988, 850231, 1073976, 1700462, 2550693, 3400924, 5101386, 6801848, 10202772, 20405544]

約数ペア:

[(1, 20405544), (2, 10202772), (3, 6801848), (4, 5101386), (6, 3400924), (8, 2550693), (12, 1700462), (19, 1073976), (24, 850231), (38, 536988), (57, 357992), (73, 279528), (76, 268494), (114, 178996), (146, 139764), (152, 134247), (219, 93176), (228, 89498), (292, 69882), (438, 46588), (456, 44749), (584, 34941), (613, 33288), (876, 23294), (1226, 16644), (1387, 14712), (1752, 11647), (1839, 11096), (2452, 8322), (2774, 7356), (3678, 5548), (4161, 4904)]