20496888

素因数分解:

$2^3\times 3^4\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 58718880

約数和(自身を除く): 38221992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 81, 94, 108, 141, 162, 188, 216, 282, 324, 376, 423, 564, 648, 673, 846, 1128, 1269, 1346, 1692, 2019, 2538, 2692, 3384, 3807, 4038, 5076, 5384, 6057, 7614, 8076, 10152, 12114, 15228, 16152, 18171, 24228, 30456, 31631, 36342, 48456, 54513, 63262, 72684, 94893, 109026, 126524, 145368, 189786, 218052, 253048, 284679, 379572, 436104, 569358, 759144, 854037, 1138716, 1708074, 2277432, 2562111, 3416148, 5124222, 6832296, 10248444, 20496888]

約数ペア:

[(1, 20496888), (2, 10248444), (3, 6832296), (4, 5124222), (6, 3416148), (8, 2562111), (9, 2277432), (12, 1708074), (18, 1138716), (24, 854037), (27, 759144), (36, 569358), (47, 436104), (54, 379572), (72, 284679), (81, 253048), (94, 218052), (108, 189786), (141, 145368), (162, 126524), (188, 109026), (216, 94893), (282, 72684), (324, 63262), (376, 54513), (423, 48456), (564, 36342), (648, 31631), (673, 30456), (846, 24228), (1128, 18171), (1269, 16152), (1346, 15228), (1692, 12114), (2019, 10152), (2538, 8076), (2692, 7614), (3384, 6057), (3807, 5384), (4038, 5076)]