20237880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12973}}^1$

素因数の和:13000

約数の個数: 64

約数和(自身を含む): 65388960

約数和(自身を除く): 45151080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12973, 25946, 38919, 51892, 64865, 77838, 103784, 129730, 155676, 168649, 194595, 259460, 311352, 337298, 389190, 505947, 518920, 674596, 778380, 843245, 1011894, 1349192, 1556760, 1686490, 2023788, 2529735, 3372980, 4047576, 5059470, 6745960, 10118940, 20237880]

約数ペア:

[(1, 20237880), (2, 10118940), (3, 6745960), (4, 5059470), (5, 4047576), (6, 3372980), (8, 2529735), (10, 2023788), (12, 1686490), (13, 1556760), (15, 1349192), (20, 1011894), (24, 843245), (26, 778380), (30, 674596), (39, 518920), (40, 505947), (52, 389190), (60, 337298), (65, 311352), (78, 259460), (104, 194595), (120, 168649), (130, 155676), (156, 129730), (195, 103784), (260, 77838), (312, 64865), (390, 51892), (520, 38919), (780, 25946), (1560, 12973)]