20748312

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 62833680

約数和(自身を除く): 42085368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 821, 936, 972, 1053, 1404, 1642, 1944, 2106, 2463, 2808, 3159, 3284, 4212, 4926, 6318, 6568, 7389, 8424, 9852, 10673, 12636, 14778, 19704, 21346, 22167, 25272, 29556, 32019, 42692, 44334, 59112, 64038, 66501, 85384, 88668, 96057, 128076, 133002, 177336, 192114, 199503, 256152, 266004, 288171, 384228, 399006, 532008, 576342, 768456, 798012, 864513, 1152684, 1596024, 1729026, 2305368, 2593539, 3458052, 5187078, 6916104, 10374156, 20748312]

約数ペア:

[(1, 20748312), (2, 10374156), (3, 6916104), (4, 5187078), (6, 3458052), (8, 2593539), (9, 2305368), (12, 1729026), (13, 1596024), (18, 1152684), (24, 864513), (26, 798012), (27, 768456), (36, 576342), (39, 532008), (52, 399006), (54, 384228), (72, 288171), (78, 266004), (81, 256152), (104, 199503), (108, 192114), (117, 177336), (156, 133002), (162, 128076), (216, 96057), (234, 88668), (243, 85384), (312, 66501), (324, 64038), (351, 59112), (468, 44334), (486, 42692), (648, 32019), (702, 29556), (821, 25272), (936, 22167), (972, 21346), (1053, 19704), (1404, 14778), (1642, 12636), (1944, 10673), (2106, 9852), (2463, 8424), (2808, 7389), (3159, 6568), (3284, 6318), (4212, 4926)]