20143990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1093}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 38596320

約数和(自身を除く): 18452330

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1093, 1843, 2186, 3686, 5465, 9215, 10930, 18430, 20767, 41534, 103835, 106021, 207670, 212042, 530105, 1060210, 2014399, 4028798, 10071995, 20143990]

約数ペア:

[(1, 20143990), (2, 10071995), (5, 4028798), (10, 2014399), (19, 1060210), (38, 530105), (95, 212042), (97, 207670), (190, 106021), (194, 103835), (485, 41534), (970, 20767), (1093, 18430), (1843, 10930), (2186, 9215), (3686, 5465)]