20498040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 67420080

約数和(自身を除く): 46922040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 587, 776, 873, 970, 1164, 1174, 1455, 1746, 1761, 1940, 2328, 2348, 2910, 2935, 3492, 3522, 3880, 4365, 4696, 5283, 5820, 5870, 6984, 7044, 8730, 8805, 10566, 11640, 11740, 14088, 17460, 17610, 21132, 23480, 26415, 34920, 35220, 42264, 52830, 56939, 70440, 105660, 113878, 170817, 211320, 227756, 284695, 341634, 455512, 512451, 569390, 683268, 854085, 1024902, 1138780, 1366536, 1708170, 2049804, 2277560, 2562255, 3416340, 4099608, 5124510, 6832680, 10249020, 20498040]

約数ペア:

[(1, 20498040), (2, 10249020), (3, 6832680), (4, 5124510), (5, 4099608), (6, 3416340), (8, 2562255), (9, 2277560), (10, 2049804), (12, 1708170), (15, 1366536), (18, 1138780), (20, 1024902), (24, 854085), (30, 683268), (36, 569390), (40, 512451), (45, 455512), (60, 341634), (72, 284695), (90, 227756), (97, 211320), (120, 170817), (180, 113878), (194, 105660), (291, 70440), (360, 56939), (388, 52830), (485, 42264), (582, 35220), (587, 34920), (776, 26415), (873, 23480), (970, 21132), (1164, 17610), (1174, 17460), (1455, 14088), (1746, 11740), (1761, 11640), (1940, 10566), (2328, 8805), (2348, 8730), (2910, 7044), (2935, 6984), (3492, 5870), (3522, 5820), (3880, 5283), (4365, 4696)]