20018340

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1373}}^1$

素因数の和:1400

約数の個数: 84

約数和(自身を含む): 63074844

約数和(自身を除く): 43056504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1373, 1458, 1620, 2430, 2746, 2916, 3645, 4119, 4860, 5492, 6865, 7290, 8238, 12357, 13730, 14580, 16476, 20595, 24714, 27460, 37071, 41190, 49428, 61785, 74142, 82380, 111213, 123570, 148284, 185355, 222426, 247140, 333639, 370710, 444852, 556065, 667278, 741420, 1000917, 1112130, 1334556, 1668195, 2001834, 2224260, 3336390, 4003668, 5004585, 6672780, 10009170, 20018340]

約数ペア:

[(1, 20018340), (2, 10009170), (3, 6672780), (4, 5004585), (5, 4003668), (6, 3336390), (9, 2224260), (10, 2001834), (12, 1668195), (15, 1334556), (18, 1112130), (20, 1000917), (27, 741420), (30, 667278), (36, 556065), (45, 444852), (54, 370710), (60, 333639), (81, 247140), (90, 222426), (108, 185355), (135, 148284), (162, 123570), (180, 111213), (243, 82380), (270, 74142), (324, 61785), (405, 49428), (486, 41190), (540, 37071), (729, 27460), (810, 24714), (972, 20595), (1215, 16476), (1373, 14580), (1458, 13730), (1620, 12357), (2430, 8238), (2746, 7290), (2916, 6865), (3645, 5492), (4119, 4860)]