20349595

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 10505573

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1487, 1955, 2737, 7435, 10409, 13685, 25279, 34201, 52045, 126395, 171005, 176953, 239407, 581417, 884765, 1197035, 2907085, 4069919, 20349595]

約数ペア:

[(1, 20349595), (5, 4069919), (7, 2907085), (17, 1197035), (23, 884765), (35, 581417), (85, 239407), (115, 176953), (119, 171005), (161, 126395), (391, 52045), (595, 34201), (805, 25279), (1487, 13685), (1955, 10409), (2737, 7435)]