20111200

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1093}}^1$

素因数の和:1136

約数の個数: 72

約数和(自身を含む): 51277968

約数和(自身を除く): 31166768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1093, 1150, 1840, 2186, 2300, 3680, 4372, 4600, 5465, 8744, 9200, 10930, 17488, 18400, 21860, 25139, 27325, 34976, 43720, 50278, 54650, 87440, 100556, 109300, 125695, 174880, 201112, 218600, 251390, 402224, 437200, 502780, 628475, 804448, 874400, 1005560, 1256950, 2011120, 2513900, 4022240, 5027800, 10055600, 20111200]

約数ペア:

[(1, 20111200), (2, 10055600), (4, 5027800), (5, 4022240), (8, 2513900), (10, 2011120), (16, 1256950), (20, 1005560), (23, 874400), (25, 804448), (32, 628475), (40, 502780), (46, 437200), (50, 402224), (80, 251390), (92, 218600), (100, 201112), (115, 174880), (160, 125695), (184, 109300), (200, 100556), (230, 87440), (368, 54650), (400, 50278), (460, 43720), (575, 34976), (736, 27325), (800, 25139), (920, 21860), (1093, 18400), (1150, 17488), (1840, 10930), (2186, 9200), (2300, 8744), (3680, 5465), (4372, 4600)]