20487582

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 46193472

約数和(自身を除く): 25705890

約数列:

[1, 2, 3, 6, 9, 18, 47, 61, 94, 122, 141, 183, 282, 366, 397, 423, 549, 794, 846, 1098, 1191, 2382, 2867, 3573, 5734, 7146, 8601, 17202, 18659, 24217, 25803, 37318, 48434, 51606, 55977, 72651, 111954, 145302, 167931, 217953, 335862, 435906, 1138199, 2276398, 3414597, 6829194, 10243791, 20487582]

約数ペア:

[(1, 20487582), (2, 10243791), (3, 6829194), (6, 3414597), (9, 2276398), (18, 1138199), (47, 435906), (61, 335862), (94, 217953), (122, 167931), (141, 145302), (183, 111954), (282, 72651), (366, 55977), (397, 51606), (423, 48434), (549, 37318), (794, 25803), (846, 24217), (1098, 18659), (1191, 17202), (2382, 8601), (2867, 7146), (3573, 5734)]