20459844

素因数分解:

$2^2\times 3^3\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 53289600

約数和(自身を除く): 32829756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 389, 487, 778, 974, 1167, 1461, 1556, 1948, 2334, 2922, 3501, 4383, 4668, 5844, 7002, 8766, 10503, 13149, 14004, 17532, 21006, 26298, 42012, 52596, 189443, 378886, 568329, 757772, 1136658, 1704987, 2273316, 3409974, 5114961, 6819948, 10229922, 20459844]

約数ペア:

[(1, 20459844), (2, 10229922), (3, 6819948), (4, 5114961), (6, 3409974), (9, 2273316), (12, 1704987), (18, 1136658), (27, 757772), (36, 568329), (54, 378886), (108, 189443), (389, 52596), (487, 42012), (778, 26298), (974, 21006), (1167, 17532), (1461, 14004), (1556, 13149), (1948, 10503), (2334, 8766), (2922, 7002), (3501, 5844), (4383, 4668)]