20536080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2144

約数の個数: 80

約数和(自身を含む): 65245824

約数和(自身を除く): 44709744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2087, 2460, 3280, 4174, 4920, 6261, 8348, 9840, 10435, 12522, 16696, 20870, 25044, 31305, 33392, 41740, 50088, 62610, 83480, 85567, 100176, 125220, 166960, 171134, 250440, 256701, 342268, 427835, 500880, 513402, 684536, 855670, 1026804, 1283505, 1369072, 1711340, 2053608, 2567010, 3422680, 4107216, 5134020, 6845360, 10268040, 20536080]

約数ペア:

[(1, 20536080), (2, 10268040), (3, 6845360), (4, 5134020), (5, 4107216), (6, 3422680), (8, 2567010), (10, 2053608), (12, 1711340), (15, 1369072), (16, 1283505), (20, 1026804), (24, 855670), (30, 684536), (40, 513402), (41, 500880), (48, 427835), (60, 342268), (80, 256701), (82, 250440), (120, 171134), (123, 166960), (164, 125220), (205, 100176), (240, 85567), (246, 83480), (328, 62610), (410, 50088), (492, 41740), (615, 33392), (656, 31305), (820, 25044), (984, 20870), (1230, 16696), (1640, 12522), (1968, 10435), (2087, 9840), (2460, 8348), (3280, 6261), (4174, 4920)]