20216573514

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{20477}}^1$

素因数の和:20924

約数の個数: 64

約数和(自身を含む): 46001779200

約数和(自身を除く): 25785205686

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 389, 423, 778, 846, 1167, 1269, 2334, 2538, 3501, 7002, 10503, 18283, 20477, 21006, 36566, 40954, 54849, 61431, 109698, 122862, 164547, 184293, 329094, 368586, 493641, 552879, 962419, 987282, 1105758, 1924838, 2887257, 5774514, 7965553, 8661771, 15931106, 17323542, 23896659, 25985313, 47793318, 51970626, 71689977, 143379954, 215069931, 374380991, 430139862, 748761982, 1123142973, 2246285946, 3369428919, 6738857838, 10108286757, 20216573514]

約数ペア:

[(1, 20216573514), (2, 10108286757), (3, 6738857838), (6, 3369428919), (9, 2246285946), (18, 1123142973), (27, 748761982), (47, 430139862), (54, 374380991), (94, 215069931), (141, 143379954), (282, 71689977), (389, 51970626), (423, 47793318), (778, 25985313), (846, 23896659), (1167, 17323542), (1269, 15931106), (2334, 8661771), (2538, 7965553), (3501, 5774514), (7002, 2887257), (10503, 1924838), (18283, 1105758), (20477, 987282), (21006, 962419), (36566, 552879), (40954, 493641), (54849, 368586), (61431, 329094), (109698, 184293), (122862, 164547)]