20941020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{367}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 63895104

約数和(自身を除く): 42954084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 367, 634, 734, 951, 1101, 1268, 1468, 1585, 1835, 1902, 2202, 2853, 3170, 3303, 3670, 3804, 4404, 4755, 5505, 5706, 6340, 6606, 7340, 9510, 11010, 11412, 13212, 14265, 16515, 19020, 22020, 28530, 33030, 57060, 66060, 116339, 232678, 349017, 465356, 581695, 698034, 1047051, 1163390, 1396068, 1745085, 2094102, 2326780, 3490170, 4188204, 5235255, 6980340, 10470510, 20941020]

約数ペア:

[(1, 20941020), (2, 10470510), (3, 6980340), (4, 5235255), (5, 4188204), (6, 3490170), (9, 2326780), (10, 2094102), (12, 1745085), (15, 1396068), (18, 1163390), (20, 1047051), (30, 698034), (36, 581695), (45, 465356), (60, 349017), (90, 232678), (180, 116339), (317, 66060), (367, 57060), (634, 33030), (734, 28530), (951, 22020), (1101, 19020), (1268, 16515), (1468, 14265), (1585, 13212), (1835, 11412), (1902, 11010), (2202, 9510), (2853, 7340), (3170, 6606), (3303, 6340), (3670, 5706), (3804, 5505), (4404, 4755)]