20931624

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 70024500

約数和(自身を除く): 49092876

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 49, 51, 56, 63, 68, 72, 84, 98, 102, 119, 126, 136, 147, 153, 168, 196, 204, 238, 252, 294, 306, 349, 357, 392, 408, 441, 476, 504, 588, 612, 698, 714, 833, 882, 952, 1047, 1071, 1176, 1224, 1396, 1428, 1666, 1764, 2094, 2142, 2443, 2499, 2792, 2856, 3141, 3332, 3528, 4188, 4284, 4886, 4998, 5933, 6282, 6664, 7329, 7497, 8376, 8568, 9772, 9996, 11866, 12564, 14658, 14994, 17101, 17799, 19544, 19992, 21987, 23732, 25128, 29316, 29988, 34202, 35598, 41531, 43974, 47464, 51303, 53397, 58632, 59976, 68404, 71196, 83062, 87948, 102606, 106794, 124593, 136808, 142392, 153909, 166124, 175896, 205212, 213588, 249186, 290717, 307818, 332248, 373779, 410424, 427176, 498372, 581434, 615636, 747558, 872151, 996744, 1162868, 1231272, 1495116, 1744302, 2325736, 2616453, 2990232, 3488604, 5232906, 6977208, 10465812, 20931624]

約数ペア:

[(1, 20931624), (2, 10465812), (3, 6977208), (4, 5232906), (6, 3488604), (7, 2990232), (8, 2616453), (9, 2325736), (12, 1744302), (14, 1495116), (17, 1231272), (18, 1162868), (21, 996744), (24, 872151), (28, 747558), (34, 615636), (36, 581434), (42, 498372), (49, 427176), (51, 410424), (56, 373779), (63, 332248), (68, 307818), (72, 290717), (84, 249186), (98, 213588), (102, 205212), (119, 175896), (126, 166124), (136, 153909), (147, 142392), (153, 136808), (168, 124593), (196, 106794), (204, 102606), (238, 87948), (252, 83062), (294, 71196), (306, 68404), (349, 59976), (357, 58632), (392, 53397), (408, 51303), (441, 47464), (476, 43974), (504, 41531), (588, 35598), (612, 34202), (698, 29988), (714, 29316), (833, 25128), (882, 23732), (952, 21987), (1047, 19992), (1071, 19544), (1176, 17799), (1224, 17101), (1396, 14994), (1428, 14658), (1666, 12564), (1764, 11866), (2094, 9996), (2142, 9772), (2443, 8568), (2499, 8376), (2792, 7497), (2856, 7329), (3141, 6664), (3332, 6282), (3528, 5933), (4188, 4998), (4284, 4886)]