20918856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3037}}^1$

素因数の和:3094

約数の個数: 64

約数和(自身を含む): 61246080

約数和(自身を除く): 40327224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3037, 3444, 6074, 6888, 9111, 12148, 18222, 21259, 24296, 36444, 42518, 63777, 72888, 85036, 124517, 127554, 170072, 249034, 255108, 373551, 498068, 510216, 747102, 871619, 996136, 1494204, 1743238, 2614857, 2988408, 3486476, 5229714, 6972952, 10459428, 20918856]

約数ペア:

[(1, 20918856), (2, 10459428), (3, 6972952), (4, 5229714), (6, 3486476), (7, 2988408), (8, 2614857), (12, 1743238), (14, 1494204), (21, 996136), (24, 871619), (28, 747102), (41, 510216), (42, 498068), (56, 373551), (82, 255108), (84, 249034), (123, 170072), (164, 127554), (168, 124517), (246, 85036), (287, 72888), (328, 63777), (492, 42518), (574, 36444), (861, 24296), (984, 21259), (1148, 18222), (1722, 12148), (2296, 9111), (3037, 6888), (3444, 6074)]