20682888

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 54691200

約数和(自身を除く): 34008312

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 89, 92, 138, 178, 184, 267, 276, 356, 421, 534, 552, 712, 842, 1068, 1263, 1684, 2047, 2136, 2526, 3368, 4094, 5052, 6141, 8188, 9683, 10104, 12282, 16376, 19366, 24564, 29049, 37469, 38732, 49128, 58098, 74938, 77464, 112407, 116196, 149876, 224814, 232392, 299752, 449628, 861787, 899256, 1723574, 2585361, 3447148, 5170722, 6894296, 10341444, 20682888]

約数ペア:

[(1, 20682888), (2, 10341444), (3, 6894296), (4, 5170722), (6, 3447148), (8, 2585361), (12, 1723574), (23, 899256), (24, 861787), (46, 449628), (69, 299752), (89, 232392), (92, 224814), (138, 149876), (178, 116196), (184, 112407), (267, 77464), (276, 74938), (356, 58098), (421, 49128), (534, 38732), (552, 37469), (712, 29049), (842, 24564), (1068, 19366), (1263, 16376), (1684, 12282), (2047, 10104), (2136, 9683), (2526, 8188), (3368, 6141), (4094, 5052)]