20942280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19391}}^1$

素因数の和:19411

約数の個数: 64

約数和(自身を含む): 69811200

約数和(自身を除く): 48868920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19391, 38782, 58173, 77564, 96955, 116346, 155128, 174519, 193910, 232692, 290865, 349038, 387820, 465384, 523557, 581730, 698076, 775640, 872595, 1047114, 1163460, 1396152, 1745190, 2094228, 2326920, 2617785, 3490380, 4188456, 5235570, 6980760, 10471140, 20942280]

約数ペア:

[(1, 20942280), (2, 10471140), (3, 6980760), (4, 5235570), (5, 4188456), (6, 3490380), (8, 2617785), (9, 2326920), (10, 2094228), (12, 1745190), (15, 1396152), (18, 1163460), (20, 1047114), (24, 872595), (27, 775640), (30, 698076), (36, 581730), (40, 523557), (45, 465384), (54, 387820), (60, 349038), (72, 290865), (90, 232692), (108, 193910), (120, 174519), (135, 155128), (180, 116346), (216, 96955), (270, 77564), (360, 58173), (540, 38782), (1080, 19391)]