20750160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2836

約数の個数: 80

約数和(自身を含む): 66424320

約数和(自身を除く): 45674160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2789, 3720, 5578, 7440, 8367, 11156, 13945, 16734, 22312, 27890, 33468, 41835, 44624, 55780, 66936, 83670, 86459, 111560, 133872, 167340, 172918, 223120, 259377, 334680, 345836, 432295, 518754, 669360, 691672, 864590, 1037508, 1296885, 1383344, 1729180, 2075016, 2593770, 3458360, 4150032, 5187540, 6916720, 10375080, 20750160]

約数ペア:

[(1, 20750160), (2, 10375080), (3, 6916720), (4, 5187540), (5, 4150032), (6, 3458360), (8, 2593770), (10, 2075016), (12, 1729180), (15, 1383344), (16, 1296885), (20, 1037508), (24, 864590), (30, 691672), (31, 669360), (40, 518754), (48, 432295), (60, 345836), (62, 334680), (80, 259377), (93, 223120), (120, 172918), (124, 167340), (155, 133872), (186, 111560), (240, 86459), (248, 83670), (310, 66936), (372, 55780), (465, 44624), (496, 41835), (620, 33468), (744, 27890), (930, 22312), (1240, 16734), (1488, 13945), (1860, 11156), (2480, 8367), (2789, 7440), (3720, 5578)]