20983508820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3150677}}^1$

素因数の和:3150729

約数の個数: 72

約数和(自身を含む): 65370267144

約数和(自身を除く): 44386758324

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, 3330, 6660, 3150677, 6301354, 9452031, 12602708, 15753385, 18904062, 28356093, 31506770, 37808124, 47260155, 56712186, 63013540, 94520310, 113424372, 116575049, 141780465, 189040620, 233150098, 283560930, 349725147, 466300196, 567121860, 582875245, 699450294, 1049175441, 1165750490, 1398900588, 1748625735, 2098350882, 2331500980, 3497251470, 4196701764, 5245877205, 6994502940, 10491754410, 20983508820]

約数ペア:

[(1, 20983508820), (2, 10491754410), (3, 6994502940), (4, 5245877205), (5, 4196701764), (6, 3497251470), (9, 2331500980), (10, 2098350882), (12, 1748625735), (15, 1398900588), (18, 1165750490), (20, 1049175441), (30, 699450294), (36, 582875245), (37, 567121860), (45, 466300196), (60, 349725147), (74, 283560930), (90, 233150098), (111, 189040620), (148, 141780465), (180, 116575049), (185, 113424372), (222, 94520310), (333, 63013540), (370, 56712186), (444, 47260155), (555, 37808124), (666, 31506770), (740, 28356093), (1110, 18904062), (1332, 15753385), (1665, 12602708), (2220, 9452031), (3330, 6301354), (6660, 3150677)]