20684912040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4419853}}^1$

素因数の和:4419883

約数の個数: 96

約数和(自身を含む): 72397208520

約数和(自身を除く): 51712296480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4419853, 8839706, 13259559, 17679412, 22099265, 26519118, 35358824, 39778677, 44198530, 53038236, 57458089, 66297795, 79557354, 88397060, 106076472, 114916178, 132595590, 159114708, 172374267, 176794120, 198893385, 229832356, 265191180, 287290445, 318229416, 344748534, 397786770, 459664712, 517122801, 530382360, 574580890, 689497068, 795573540, 861871335, 1034245602, 1149161780, 1378994136, 1591147080, 1723742670, 2068491204, 2298323560, 2585614005, 3447485340, 4136982408, 5171228010, 6894970680, 10342456020, 20684912040]

約数ペア:

[(1, 20684912040), (2, 10342456020), (3, 6894970680), (4, 5171228010), (5, 4136982408), (6, 3447485340), (8, 2585614005), (9, 2298323560), (10, 2068491204), (12, 1723742670), (13, 1591147080), (15, 1378994136), (18, 1149161780), (20, 1034245602), (24, 861871335), (26, 795573540), (30, 689497068), (36, 574580890), (39, 530382360), (40, 517122801), (45, 459664712), (52, 397786770), (60, 344748534), (65, 318229416), (72, 287290445), (78, 265191180), (90, 229832356), (104, 198893385), (117, 176794120), (120, 172374267), (130, 159114708), (156, 132595590), (180, 114916178), (195, 106076472), (234, 88397060), (260, 79557354), (312, 66297795), (360, 57458089), (390, 53038236), (468, 44198530), (520, 39778677), (585, 35358824), (780, 26519118), (936, 22099265), (1170, 17679412), (1560, 13259559), (2340, 8839706), (4680, 4419853)]