20197404

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 56125440

約数和(自身を除く): 35928036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 47, 54, 69, 92, 94, 108, 138, 141, 173, 188, 207, 276, 282, 346, 414, 423, 519, 564, 621, 692, 828, 846, 1038, 1081, 1242, 1269, 1557, 1692, 2076, 2162, 2484, 2538, 3114, 3243, 3979, 4324, 4671, 5076, 6228, 6486, 7958, 8131, 9342, 9729, 11937, 12972, 15916, 16262, 18684, 19458, 23874, 24393, 29187, 32524, 35811, 38916, 47748, 48786, 58374, 71622, 73179, 97572, 107433, 116748, 143244, 146358, 187013, 214866, 219537, 292716, 374026, 429732, 439074, 561039, 748052, 878148, 1122078, 1683117, 2244156, 3366234, 5049351, 6732468, 10098702, 20197404]

約数ペア:

[(1, 20197404), (2, 10098702), (3, 6732468), (4, 5049351), (6, 3366234), (9, 2244156), (12, 1683117), (18, 1122078), (23, 878148), (27, 748052), (36, 561039), (46, 439074), (47, 429732), (54, 374026), (69, 292716), (92, 219537), (94, 214866), (108, 187013), (138, 146358), (141, 143244), (173, 116748), (188, 107433), (207, 97572), (276, 73179), (282, 71622), (346, 58374), (414, 48786), (423, 47748), (519, 38916), (564, 35811), (621, 32524), (692, 29187), (828, 24393), (846, 23874), (1038, 19458), (1081, 18684), (1242, 16262), (1269, 15916), (1557, 12972), (1692, 11937), (2076, 9729), (2162, 9342), (2484, 8131), (2538, 7958), (3114, 6486), (3243, 6228), (3979, 5076), (4324, 4671)]