20713248

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 42972192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 53, 59, 69, 72, 92, 96, 106, 118, 138, 144, 159, 177, 184, 207, 212, 236, 276, 288, 318, 354, 368, 414, 424, 472, 477, 531, 552, 636, 708, 736, 828, 848, 944, 954, 1062, 1104, 1219, 1272, 1357, 1416, 1656, 1696, 1888, 1908, 2124, 2208, 2438, 2544, 2714, 2832, 3127, 3312, 3657, 3816, 4071, 4248, 4876, 5088, 5428, 5664, 6254, 6624, 7314, 7632, 8142, 8496, 9381, 9752, 10856, 10971, 12213, 12508, 14628, 15264, 16284, 16992, 18762, 19504, 21712, 21942, 24426, 25016, 28143, 29256, 32568, 37524, 39008, 43424, 43884, 48852, 50032, 56286, 58512, 65136, 71921, 75048, 87768, 97704, 100064, 112572, 117024, 130272, 143842, 150096, 175536, 195408, 215763, 225144, 287684, 300192, 351072, 390816, 431526, 450288, 575368, 647289, 863052, 900576, 1150736, 1294578, 1726104, 2301472, 2589156, 3452208, 5178312, 6904416, 10356624, 20713248]

約数ペア:

[(1, 20713248), (2, 10356624), (3, 6904416), (4, 5178312), (6, 3452208), (8, 2589156), (9, 2301472), (12, 1726104), (16, 1294578), (18, 1150736), (23, 900576), (24, 863052), (32, 647289), (36, 575368), (46, 450288), (48, 431526), (53, 390816), (59, 351072), (69, 300192), (72, 287684), (92, 225144), (96, 215763), (106, 195408), (118, 175536), (138, 150096), (144, 143842), (159, 130272), (177, 117024), (184, 112572), (207, 100064), (212, 97704), (236, 87768), (276, 75048), (288, 71921), (318, 65136), (354, 58512), (368, 56286), (414, 50032), (424, 48852), (472, 43884), (477, 43424), (531, 39008), (552, 37524), (636, 32568), (708, 29256), (736, 28143), (828, 25016), (848, 24426), (944, 21942), (954, 21712), (1062, 19504), (1104, 18762), (1219, 16992), (1272, 16284), (1357, 15264), (1416, 14628), (1656, 12508), (1696, 12213), (1888, 10971), (1908, 10856), (2124, 9752), (2208, 9381), (2438, 8496), (2544, 8142), (2714, 7632), (2832, 7314), (3127, 6624), (3312, 6254), (3657, 5664), (3816, 5428), (4071, 5088), (4248, 4876)]