20301390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1181}}^1$

素因数の和:1385

約数の個数: 48

約数和(自身を含む): 53104896

約数和(自身を除く): 32803506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1146, 1181, 1719, 1910, 2362, 2865, 3438, 3543, 5730, 5905, 7086, 8595, 10629, 11810, 17190, 17715, 21258, 35430, 53145, 106290, 225571, 451142, 676713, 1127855, 1353426, 2030139, 2255710, 3383565, 4060278, 6767130, 10150695, 20301390]

約数ペア:

[(1, 20301390), (2, 10150695), (3, 6767130), (5, 4060278), (6, 3383565), (9, 2255710), (10, 2030139), (15, 1353426), (18, 1127855), (30, 676713), (45, 451142), (90, 225571), (191, 106290), (382, 53145), (573, 35430), (955, 21258), (1146, 17715), (1181, 17190), (1719, 11810), (1910, 10629), (2362, 8595), (2865, 7086), (3438, 5905), (3543, 5730)]