20231120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 59074344

約数和(自身を除く): 38843224

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 397, 455, 490, 520, 560, 637, 728, 784, 794, 910, 980, 1040, 1274, 1456, 1588, 1820, 1960, 1985, 2548, 2779, 3176, 3185, 3640, 3920, 3970, 5096, 5161, 5558, 6352, 6370, 7280, 7940, 10192, 10322, 11116, 12740, 13895, 15880, 19453, 20644, 22232, 25480, 25805, 27790, 31760, 36127, 38906, 41288, 44464, 50960, 51610, 55580, 72254, 77812, 82576, 97265, 103220, 111160, 144508, 155624, 180635, 194530, 206440, 222320, 252889, 289016, 311248, 361270, 389060, 412880, 505778, 578032, 722540, 778120, 1011556, 1264445, 1445080, 1556240, 2023112, 2528890, 2890160, 4046224, 5057780, 10115560, 20231120]

約数ペア:

[(1, 20231120), (2, 10115560), (4, 5057780), (5, 4046224), (7, 2890160), (8, 2528890), (10, 2023112), (13, 1556240), (14, 1445080), (16, 1264445), (20, 1011556), (26, 778120), (28, 722540), (35, 578032), (40, 505778), (49, 412880), (52, 389060), (56, 361270), (65, 311248), (70, 289016), (80, 252889), (91, 222320), (98, 206440), (104, 194530), (112, 180635), (130, 155624), (140, 144508), (182, 111160), (196, 103220), (208, 97265), (245, 82576), (260, 77812), (280, 72254), (364, 55580), (392, 51610), (397, 50960), (455, 44464), (490, 41288), (520, 38906), (560, 36127), (637, 31760), (728, 27790), (784, 25805), (794, 25480), (910, 22232), (980, 20644), (1040, 19453), (1274, 15880), (1456, 13895), (1588, 12740), (1820, 11116), (1960, 10322), (1985, 10192), (2548, 7940), (2779, 7280), (3176, 6370), (3185, 6352), (3640, 5558), (3920, 5161), (3970, 5096)]