20657448

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2411}}^1$

素因数の和:2447

約数の個数: 96

約数和(自身を含む): 67728960

約数和(自身を除く): 47071512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2411, 2856, 4284, 4822, 7233, 8568, 9644, 14466, 16877, 19288, 21699, 28932, 33754, 40987, 43398, 50631, 57864, 67508, 81974, 86796, 101262, 122961, 135016, 151893, 163948, 173592, 202524, 245922, 286909, 303786, 327896, 368883, 405048, 491844, 573818, 607572, 737766, 860727, 983688, 1147636, 1215144, 1475532, 1721454, 2295272, 2582181, 2951064, 3442908, 5164362, 6885816, 10328724, 20657448]

約数ペア:

[(1, 20657448), (2, 10328724), (3, 6885816), (4, 5164362), (6, 3442908), (7, 2951064), (8, 2582181), (9, 2295272), (12, 1721454), (14, 1475532), (17, 1215144), (18, 1147636), (21, 983688), (24, 860727), (28, 737766), (34, 607572), (36, 573818), (42, 491844), (51, 405048), (56, 368883), (63, 327896), (68, 303786), (72, 286909), (84, 245922), (102, 202524), (119, 173592), (126, 163948), (136, 151893), (153, 135016), (168, 122961), (204, 101262), (238, 86796), (252, 81974), (306, 67508), (357, 57864), (408, 50631), (476, 43398), (504, 40987), (612, 33754), (714, 28932), (952, 21699), (1071, 19288), (1224, 16877), (1428, 14466), (2142, 9644), (2411, 8568), (2856, 7233), (4284, 4822)]