20028300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 58610832

約数和(自身を除く): 38582532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 150, 202, 300, 303, 404, 505, 606, 661, 1010, 1212, 1322, 1515, 1983, 2020, 2525, 2644, 3030, 3305, 3966, 5050, 6060, 6610, 7575, 7932, 9915, 10100, 13220, 15150, 16525, 19830, 30300, 33050, 39660, 49575, 66100, 66761, 99150, 133522, 198300, 200283, 267044, 333805, 400566, 667610, 801132, 1001415, 1335220, 1669025, 2002830, 3338050, 4005660, 5007075, 6676100, 10014150, 20028300]

約数ペア:

[(1, 20028300), (2, 10014150), (3, 6676100), (4, 5007075), (5, 4005660), (6, 3338050), (10, 2002830), (12, 1669025), (15, 1335220), (20, 1001415), (25, 801132), (30, 667610), (50, 400566), (60, 333805), (75, 267044), (100, 200283), (101, 198300), (150, 133522), (202, 99150), (300, 66761), (303, 66100), (404, 49575), (505, 39660), (606, 33050), (661, 30300), (1010, 19830), (1212, 16525), (1322, 15150), (1515, 13220), (1983, 10100), (2020, 9915), (2525, 7932), (2644, 7575), (3030, 6610), (3305, 6060), (3966, 5050)]