20638744420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{190711}}^1$

素因数の和:191500

約数の個数: 48

約数和(自身を含む): 49597325568

約数和(自身を除く): 28958581148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 773, 1546, 3092, 3865, 5411, 7730, 10822, 15460, 21644, 27055, 54110, 108220, 190711, 381422, 762844, 953555, 1334977, 1907110, 2669954, 3814220, 5339908, 6674885, 13349770, 26699540, 147419603, 294839206, 589678412, 737098015, 1031937221, 1474196030, 2063874442, 2948392060, 4127748884, 5159686105, 10319372210, 20638744420]

約数ペア:

[(1, 20638744420), (2, 10319372210), (4, 5159686105), (5, 4127748884), (7, 2948392060), (10, 2063874442), (14, 1474196030), (20, 1031937221), (28, 737098015), (35, 589678412), (70, 294839206), (140, 147419603), (773, 26699540), (1546, 13349770), (3092, 6674885), (3865, 5339908), (5411, 3814220), (7730, 2669954), (10822, 1907110), (15460, 1334977), (21644, 953555), (27055, 762844), (54110, 381422), (108220, 190711)]