20282928

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 55520256

約数和(自身を除く): 35237328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 86, 93, 124, 129, 172, 186, 248, 258, 317, 344, 372, 496, 516, 634, 688, 744, 951, 1032, 1268, 1333, 1488, 1902, 2064, 2536, 2666, 3804, 3999, 5072, 5332, 7608, 7998, 9827, 10664, 13631, 15216, 15996, 19654, 21328, 27262, 29481, 31992, 39308, 40893, 54524, 58962, 63984, 78616, 81786, 109048, 117924, 157232, 163572, 218096, 235848, 327144, 422561, 471696, 654288, 845122, 1267683, 1690244, 2535366, 3380488, 5070732, 6760976, 10141464, 20282928]

約数ペア:

[(1, 20282928), (2, 10141464), (3, 6760976), (4, 5070732), (6, 3380488), (8, 2535366), (12, 1690244), (16, 1267683), (24, 845122), (31, 654288), (43, 471696), (48, 422561), (62, 327144), (86, 235848), (93, 218096), (124, 163572), (129, 157232), (172, 117924), (186, 109048), (248, 81786), (258, 78616), (317, 63984), (344, 58962), (372, 54524), (496, 40893), (516, 39308), (634, 31992), (688, 29481), (744, 27262), (951, 21328), (1032, 19654), (1268, 15996), (1333, 15216), (1488, 13631), (1902, 10664), (2064, 9827), (2536, 7998), (2666, 7608), (3804, 5332), (3999, 5072)]