20004960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:676

約数の個数: 96

約数和(自身を含む): 64012032

約数和(自身を除く): 44007072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 71, 80, 96, 120, 142, 160, 213, 240, 284, 355, 426, 480, 568, 587, 710, 852, 1065, 1136, 1174, 1420, 1704, 1761, 2130, 2272, 2348, 2840, 2935, 3408, 3522, 4260, 4696, 5680, 5870, 6816, 7044, 8520, 8805, 9392, 11360, 11740, 14088, 17040, 17610, 18784, 23480, 28176, 34080, 35220, 41677, 46960, 56352, 70440, 83354, 93920, 125031, 140880, 166708, 208385, 250062, 281760, 333416, 416770, 500124, 625155, 666832, 833540, 1000248, 1250310, 1333664, 1667080, 2000496, 2500620, 3334160, 4000992, 5001240, 6668320, 10002480, 20004960]

約数ペア:

[(1, 20004960), (2, 10002480), (3, 6668320), (4, 5001240), (5, 4000992), (6, 3334160), (8, 2500620), (10, 2000496), (12, 1667080), (15, 1333664), (16, 1250310), (20, 1000248), (24, 833540), (30, 666832), (32, 625155), (40, 500124), (48, 416770), (60, 333416), (71, 281760), (80, 250062), (96, 208385), (120, 166708), (142, 140880), (160, 125031), (213, 93920), (240, 83354), (284, 70440), (355, 56352), (426, 46960), (480, 41677), (568, 35220), (587, 34080), (710, 28176), (852, 23480), (1065, 18784), (1136, 17610), (1174, 17040), (1420, 14088), (1704, 11740), (1761, 11360), (2130, 9392), (2272, 8805), (2348, 8520), (2840, 7044), (2935, 6816), (3408, 5870), (3522, 5680), (4260, 4696)]