20199012440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12316471}}^1$

素因数の和:12316523

約数の個数: 32

約数和(自身を含む): 46556264160

約数和(自身を除く): 26357251720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12316471, 24632942, 49265884, 61582355, 98531768, 123164710, 246329420, 492658840, 504975311, 1009950622, 2019901244, 2524876555, 4039802488, 5049753110, 10099506220, 20199012440]

約数ペア:

[(1, 20199012440), (2, 10099506220), (4, 5049753110), (5, 4039802488), (8, 2524876555), (10, 2019901244), (20, 1009950622), (40, 504975311), (41, 492658840), (82, 246329420), (164, 123164710), (205, 98531768), (328, 61582355), (410, 49265884), (820, 24632942), (1640, 12316471)]