20218040478

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{15349}}^1$

素因数の和:15583

約数の個数: 80

約数和(自身を含む): 46537761600

約数和(自身を除く): 26319721122

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 173, 282, 346, 423, 519, 846, 1038, 1269, 1557, 2538, 3114, 3807, 4671, 7614, 8131, 9342, 14013, 15349, 16262, 24393, 28026, 30698, 46047, 48786, 73179, 92094, 138141, 146358, 219537, 276282, 414423, 439074, 658611, 721403, 828846, 1243269, 1317222, 1442806, 2164209, 2486538, 2655377, 4328418, 5310754, 6492627, 7966131, 12985254, 15932262, 19477881, 23898393, 38955762, 47796786, 58433643, 71695179, 116867286, 124802719, 143390358, 215085537, 249605438, 374408157, 430171074, 748816314, 1123224471, 2246448942, 3369673413, 6739346826, 10109020239, 20218040478]

約数ペア:

[(1, 20218040478), (2, 10109020239), (3, 6739346826), (6, 3369673413), (9, 2246448942), (18, 1123224471), (27, 748816314), (47, 430171074), (54, 374408157), (81, 249605438), (94, 215085537), (141, 143390358), (162, 124802719), (173, 116867286), (282, 71695179), (346, 58433643), (423, 47796786), (519, 38955762), (846, 23898393), (1038, 19477881), (1269, 15932262), (1557, 12985254), (2538, 7966131), (3114, 6492627), (3807, 5310754), (4671, 4328418), (7614, 2655377), (8131, 2486538), (9342, 2164209), (14013, 1442806), (15349, 1317222), (16262, 1243269), (24393, 828846), (28026, 721403), (30698, 658611), (46047, 439074), (48786, 414423), (73179, 276282), (92094, 219537), (138141, 146358)]