20603700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:623

約数の個数: 144

約数和(自身を含む): 71453760

約数和(自身を除く): 50850060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 587, 650, 675, 702, 780, 900, 975, 1170, 1174, 1300, 1350, 1404, 1755, 1761, 1950, 2340, 2348, 2700, 2925, 2935, 3510, 3522, 3900, 5283, 5850, 5870, 7020, 7044, 7631, 8775, 8805, 10566, 11700, 11740, 14675, 15262, 15849, 17550, 17610, 21132, 22893, 26415, 29350, 30524, 31698, 35100, 35220, 38155, 44025, 45786, 52830, 58700, 63396, 68679, 76310, 79245, 88050, 91572, 105660, 114465, 132075, 137358, 152620, 158490, 176100, 190775, 206037, 228930, 264150, 274716, 316980, 343395, 381550, 396225, 412074, 457860, 528300, 572325, 686790, 763100, 792450, 824148, 1030185, 1144650, 1373580, 1584900, 1716975, 2060370, 2289300, 3433950, 4120740, 5150925, 6867900, 10301850, 20603700]

約数ペア:

[(1, 20603700), (2, 10301850), (3, 6867900), (4, 5150925), (5, 4120740), (6, 3433950), (9, 2289300), (10, 2060370), (12, 1716975), (13, 1584900), (15, 1373580), (18, 1144650), (20, 1030185), (25, 824148), (26, 792450), (27, 763100), (30, 686790), (36, 572325), (39, 528300), (45, 457860), (50, 412074), (52, 396225), (54, 381550), (60, 343395), (65, 316980), (75, 274716), (78, 264150), (90, 228930), (100, 206037), (108, 190775), (117, 176100), (130, 158490), (135, 152620), (150, 137358), (156, 132075), (180, 114465), (195, 105660), (225, 91572), (234, 88050), (260, 79245), (270, 76310), (300, 68679), (325, 63396), (351, 58700), (390, 52830), (450, 45786), (468, 44025), (540, 38155), (585, 35220), (587, 35100), (650, 31698), (675, 30524), (702, 29350), (780, 26415), (900, 22893), (975, 21132), (1170, 17610), (1174, 17550), (1300, 15849), (1350, 15262), (1404, 14675), (1755, 11740), (1761, 11700), (1950, 10566), (2340, 8805), (2348, 8775), (2700, 7631), (2925, 7044), (2935, 7020), (3510, 5870), (3522, 5850), (3900, 5283)]