20473020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1272

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 45329220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1223, 1395, 1674, 1860, 2446, 2790, 3348, 3669, 4185, 4892, 5580, 6115, 7338, 8370, 11007, 12230, 14676, 16740, 18345, 22014, 24460, 33021, 36690, 37913, 44028, 55035, 66042, 73380, 75826, 110070, 113739, 132084, 151652, 165105, 189565, 220140, 227478, 330210, 341217, 379130, 454956, 568695, 660420, 682434, 758260, 1023651, 1137390, 1364868, 1706085, 2047302, 2274780, 3412170, 4094604, 5118255, 6824340, 10236510, 20473020]

約数ペア:

[(1, 20473020), (2, 10236510), (3, 6824340), (4, 5118255), (5, 4094604), (6, 3412170), (9, 2274780), (10, 2047302), (12, 1706085), (15, 1364868), (18, 1137390), (20, 1023651), (27, 758260), (30, 682434), (31, 660420), (36, 568695), (45, 454956), (54, 379130), (60, 341217), (62, 330210), (90, 227478), (93, 220140), (108, 189565), (124, 165105), (135, 151652), (155, 132084), (180, 113739), (186, 110070), (270, 75826), (279, 73380), (310, 66042), (372, 55035), (465, 44028), (540, 37913), (558, 36690), (620, 33021), (837, 24460), (930, 22014), (1116, 18345), (1223, 16740), (1395, 14676), (1674, 12230), (1860, 11007), (2446, 8370), (2790, 7338), (3348, 6115), (3669, 5580), (4185, 4892)]