20768194638

素因数分解:

$2^1\times 3^3\times {\mathrm{373}}^1\times {\mathrm{409}}^1\times {\mathrm{2521}}^1$

素因数の和:3314

約数の個数: 64

約数和(自身を含む): 46406817600

約数和(自身を除く): 25638622962

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 373, 409, 746, 818, 1119, 1227, 2238, 2454, 2521, 3357, 3681, 5042, 6714, 7362, 7563, 10071, 11043, 15126, 20142, 22086, 22689, 45378, 68067, 136134, 152557, 305114, 457671, 915342, 940333, 1031089, 1373013, 1880666, 2062178, 2746026, 2820999, 3093267, 4119039, 5641998, 6186534, 8238078, 8462997, 9279801, 16925994, 18559602, 25388991, 27839403, 50777982, 55678806, 384596197, 769192394, 1153788591, 2307577182, 3461365773, 6922731546, 10384097319, 20768194638]

約数ペア:

[(1, 20768194638), (2, 10384097319), (3, 6922731546), (6, 3461365773), (9, 2307577182), (18, 1153788591), (27, 769192394), (54, 384596197), (373, 55678806), (409, 50777982), (746, 27839403), (818, 25388991), (1119, 18559602), (1227, 16925994), (2238, 9279801), (2454, 8462997), (2521, 8238078), (3357, 6186534), (3681, 5641998), (5042, 4119039), (6714, 3093267), (7362, 2820999), (7563, 2746026), (10071, 2062178), (11043, 1880666), (15126, 1373013), (20142, 1031089), (22086, 940333), (22689, 915342), (45378, 457671), (68067, 305114), (136134, 152557)]