20456190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6143}}^1$

素因数の和:6193

約数の個数: 48

約数和(自身を含む): 54632448

約数和(自身を除く): 34176258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6143, 12286, 18429, 30715, 36858, 55287, 61430, 92145, 110574, 184290, 227291, 276435, 454582, 552870, 681873, 1136455, 1363746, 2045619, 2272910, 3409365, 4091238, 6818730, 10228095, 20456190]

約数ペア:

[(1, 20456190), (2, 10228095), (3, 6818730), (5, 4091238), (6, 3409365), (9, 2272910), (10, 2045619), (15, 1363746), (18, 1136455), (30, 681873), (37, 552870), (45, 454582), (74, 276435), (90, 227291), (111, 184290), (185, 110574), (222, 92145), (333, 61430), (370, 55287), (555, 36858), (666, 30715), (1110, 18429), (1665, 12286), (3330, 6143)]