20346087160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{165523}}^1$

素因数の和:165980

約数の個数: 64

約数和(自身を含む): 52438003200

約数和(自身を除く): 32091916040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1756, 2195, 3073, 3512, 4390, 6146, 8780, 12292, 15365, 17560, 24584, 30730, 61460, 122920, 165523, 331046, 662092, 827615, 1158661, 1324184, 1655230, 2317322, 3310460, 4634644, 5793305, 6620920, 9269288, 11586610, 23173220, 46346440, 72664597, 145329194, 290658388, 363322985, 508652179, 581316776, 726645970, 1017304358, 1453291940, 2034608716, 2543260895, 2906583880, 4069217432, 5086521790, 10173043580, 20346087160]

約数ペア:

[(1, 20346087160), (2, 10173043580), (4, 5086521790), (5, 4069217432), (7, 2906583880), (8, 2543260895), (10, 2034608716), (14, 1453291940), (20, 1017304358), (28, 726645970), (35, 581316776), (40, 508652179), (56, 363322985), (70, 290658388), (140, 145329194), (280, 72664597), (439, 46346440), (878, 23173220), (1756, 11586610), (2195, 9269288), (3073, 6620920), (3512, 5793305), (4390, 4634644), (6146, 3310460), (8780, 2317322), (12292, 1655230), (15365, 1324184), (17560, 1158661), (24584, 827615), (30730, 662092), (61460, 331046), (122920, 165523)]