20486533920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{107507}}^1$

素因数の和:107922

約数の個数: 96

約数和(自身を含む): 64695734208

約数和(自身を除く): 44209200288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 397, 480, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4764, 5955, 6352, 7940, 9528, 11910, 12704, 15880, 19056, 23820, 31760, 38112, 47640, 63520, 95280, 107507, 190560, 215014, 322521, 430028, 537535, 645042, 860056, 1075070, 1290084, 1612605, 1720112, 2150140, 2580168, 3225210, 3440224, 4300280, 5160336, 6450420, 8600560, 10320672, 12900840, 17201120, 25801680, 42680279, 51603360, 85360558, 128040837, 170721116, 213401395, 256081674, 341442232, 426802790, 512163348, 640204185, 682884464, 853605580, 1024326696, 1280408370, 1365768928, 1707211160, 2048653392, 2560816740, 3414422320, 4097306784, 5121633480, 6828844640, 10243266960, 20486533920]

約数ペア:

[(1, 20486533920), (2, 10243266960), (3, 6828844640), (4, 5121633480), (5, 4097306784), (6, 3414422320), (8, 2560816740), (10, 2048653392), (12, 1707211160), (15, 1365768928), (16, 1280408370), (20, 1024326696), (24, 853605580), (30, 682884464), (32, 640204185), (40, 512163348), (48, 426802790), (60, 341442232), (80, 256081674), (96, 213401395), (120, 170721116), (160, 128040837), (240, 85360558), (397, 51603360), (480, 42680279), (794, 25801680), (1191, 17201120), (1588, 12900840), (1985, 10320672), (2382, 8600560), (3176, 6450420), (3970, 5160336), (4764, 4300280), (5955, 3440224), (6352, 3225210), (7940, 2580168), (9528, 2150140), (11910, 1720112), (12704, 1612605), (15880, 1290084), (19056, 1075070), (23820, 860056), (31760, 645042), (38112, 537535), (47640, 430028), (63520, 322521), (95280, 215014), (107507, 190560)]