20106540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3019}}^1$

素因数の和:3071

約数の個数: 72

約数和(自身を含む): 62658960

約数和(自身を除く): 42552420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3019, 3330, 6038, 6660, 9057, 12076, 15095, 18114, 27171, 30190, 36228, 45285, 54342, 60380, 90570, 108684, 111703, 135855, 181140, 223406, 271710, 335109, 446812, 543420, 558515, 670218, 1005327, 1117030, 1340436, 1675545, 2010654, 2234060, 3351090, 4021308, 5026635, 6702180, 10053270, 20106540]

約数ペア:

[(1, 20106540), (2, 10053270), (3, 6702180), (4, 5026635), (5, 4021308), (6, 3351090), (9, 2234060), (10, 2010654), (12, 1675545), (15, 1340436), (18, 1117030), (20, 1005327), (30, 670218), (36, 558515), (37, 543420), (45, 446812), (60, 335109), (74, 271710), (90, 223406), (111, 181140), (148, 135855), (180, 111703), (185, 108684), (222, 90570), (333, 60380), (370, 54342), (444, 45285), (555, 36228), (666, 30190), (740, 27171), (1110, 18114), (1332, 15095), (1665, 12076), (2220, 9057), (3019, 6660), (3330, 6038)]