20754450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2713}}^1$

素因数の和:2748

約数の個数: 72

約数和(自身を含む): 59062068

約数和(自身を除く): 38307618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2550, 2713, 3825, 5426, 7650, 8139, 13565, 16278, 24417, 27130, 40695, 46121, 48834, 67825, 81390, 92242, 122085, 135650, 138363, 203475, 230605, 244170, 276726, 406950, 415089, 461210, 610425, 691815, 830178, 1153025, 1220850, 1383630, 2075445, 2306050, 3459075, 4150890, 6918150, 10377225, 20754450]

約数ペア:

[(1, 20754450), (2, 10377225), (3, 6918150), (5, 4150890), (6, 3459075), (9, 2306050), (10, 2075445), (15, 1383630), (17, 1220850), (18, 1153025), (25, 830178), (30, 691815), (34, 610425), (45, 461210), (50, 415089), (51, 406950), (75, 276726), (85, 244170), (90, 230605), (102, 203475), (150, 138363), (153, 135650), (170, 122085), (225, 92242), (255, 81390), (306, 67825), (425, 48834), (450, 46121), (510, 40695), (765, 27130), (850, 24417), (1275, 16278), (1530, 13565), (2550, 8139), (2713, 7650), (3825, 5426)]