20028190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1693}}^1$

素因数の和:1733

約数の個数: 48

約数和(自身を含む): 44640288

約数和(自身を除く): 24612098

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 1693, 2366, 3386, 5915, 8465, 11830, 11851, 16930, 22009, 23702, 44018, 59255, 110045, 118510, 154063, 220090, 286117, 308126, 572234, 770315, 1430585, 1540630, 2002819, 2861170, 4005638, 10014095, 20028190]

約数ペア:

[(1, 20028190), (2, 10014095), (5, 4005638), (7, 2861170), (10, 2002819), (13, 1540630), (14, 1430585), (26, 770315), (35, 572234), (65, 308126), (70, 286117), (91, 220090), (130, 154063), (169, 118510), (182, 110045), (338, 59255), (455, 44018), (845, 23702), (910, 22009), (1183, 16930), (1690, 11851), (1693, 11830), (2366, 8465), (3386, 5915)]