20050680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12853}}^1$

素因数の和:12880

約数の個数: 64

約数和(自身を含む): 64784160

約数和(自身を除く): 44733480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12853, 25706, 38559, 51412, 64265, 77118, 102824, 128530, 154236, 167089, 192795, 257060, 308472, 334178, 385590, 501267, 514120, 668356, 771180, 835445, 1002534, 1336712, 1542360, 1670890, 2005068, 2506335, 3341780, 4010136, 5012670, 6683560, 10025340, 20050680]

約数ペア:

[(1, 20050680), (2, 10025340), (3, 6683560), (4, 5012670), (5, 4010136), (6, 3341780), (8, 2506335), (10, 2005068), (12, 1670890), (13, 1542360), (15, 1336712), (20, 1002534), (24, 835445), (26, 771180), (30, 668356), (39, 514120), (40, 501267), (52, 385590), (60, 334178), (65, 308472), (78, 257060), (104, 192795), (120, 167089), (130, 154236), (156, 128530), (195, 102824), (260, 77118), (312, 64265), (390, 51412), (520, 38559), (780, 25706), (1560, 12853)]