20922200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{619}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 52758900

約数和(自身を除く): 31836700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 619, 650, 676, 845, 1238, 1300, 1352, 1690, 2476, 2600, 3095, 3380, 4225, 4952, 6190, 6760, 8047, 8450, 12380, 15475, 16094, 16900, 24760, 30950, 32188, 33800, 40235, 61900, 64376, 80470, 104611, 123800, 160940, 201175, 209222, 321880, 402350, 418444, 523055, 804700, 836888, 1046110, 1609400, 2092220, 2615275, 4184440, 5230550, 10461100, 20922200]

約数ペア:

[(1, 20922200), (2, 10461100), (4, 5230550), (5, 4184440), (8, 2615275), (10, 2092220), (13, 1609400), (20, 1046110), (25, 836888), (26, 804700), (40, 523055), (50, 418444), (52, 402350), (65, 321880), (100, 209222), (104, 201175), (130, 160940), (169, 123800), (200, 104611), (260, 80470), (325, 64376), (338, 61900), (520, 40235), (619, 33800), (650, 32188), (676, 30950), (845, 24760), (1238, 16900), (1300, 16094), (1352, 15475), (1690, 12380), (2476, 8450), (2600, 8047), (3095, 6760), (3380, 6190), (4225, 4952)]