20566279980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{372173}}^1$

素因数の和:372495

約数の個数: 72

約数和(自身を含む): 62587757232

約数和(自身を除く): 42021477252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1842, 2763, 3070, 3684, 4605, 5526, 6140, 9210, 11052, 13815, 18420, 27630, 55260, 372173, 744346, 1116519, 1488692, 1860865, 2233038, 3349557, 3721730, 4466076, 5582595, 6699114, 7443460, 11165190, 13398228, 16747785, 22330380, 33495570, 66991140, 114257111, 228514222, 342771333, 457028444, 571285555, 685542666, 1028313999, 1142571110, 1371085332, 1713856665, 2056627998, 2285142220, 3427713330, 4113255996, 5141569995, 6855426660, 10283139990, 20566279980]

約数ペア:

[(1, 20566279980), (2, 10283139990), (3, 6855426660), (4, 5141569995), (5, 4113255996), (6, 3427713330), (9, 2285142220), (10, 2056627998), (12, 1713856665), (15, 1371085332), (18, 1142571110), (20, 1028313999), (30, 685542666), (36, 571285555), (45, 457028444), (60, 342771333), (90, 228514222), (180, 114257111), (307, 66991140), (614, 33495570), (921, 22330380), (1228, 16747785), (1535, 13398228), (1842, 11165190), (2763, 7443460), (3070, 6699114), (3684, 5582595), (4605, 4466076), (5526, 3721730), (6140, 3349557), (9210, 2233038), (11052, 1860865), (13815, 1488692), (18420, 1116519), (27630, 744346), (55260, 372173)]