20908776

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7321}}^1$

素因数の和:7354

約数の個数: 64

約数和(自身を含む): 63262080

約数和(自身を除く): 42353304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 7321, 14642, 21963, 29284, 43926, 51247, 58568, 87852, 102494, 124457, 153741, 175704, 204988, 248914, 307482, 373371, 409976, 497828, 614964, 746742, 871199, 995656, 1229928, 1493484, 1742398, 2613597, 2986968, 3484796, 5227194, 6969592, 10454388, 20908776]

約数ペア:

[(1, 20908776), (2, 10454388), (3, 6969592), (4, 5227194), (6, 3484796), (7, 2986968), (8, 2613597), (12, 1742398), (14, 1493484), (17, 1229928), (21, 995656), (24, 871199), (28, 746742), (34, 614964), (42, 497828), (51, 409976), (56, 373371), (68, 307482), (84, 248914), (102, 204988), (119, 175704), (136, 153741), (168, 124457), (204, 102494), (238, 87852), (357, 58568), (408, 51247), (476, 43926), (714, 29284), (952, 21963), (1428, 14642), (2856, 7321)]