20514900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9769}}^1$

素因数の和:9793

約数の個数: 72

約数和(自身を含む): 67842880

約数和(自身を除く): 47327980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9769, 19538, 29307, 39076, 48845, 58614, 68383, 97690, 117228, 136766, 146535, 195380, 205149, 244225, 273532, 293070, 341915, 410298, 488450, 586140, 683830, 732675, 820596, 976900, 1025745, 1367660, 1465350, 1709575, 2051490, 2930700, 3419150, 4102980, 5128725, 6838300, 10257450, 20514900]

約数ペア:

[(1, 20514900), (2, 10257450), (3, 6838300), (4, 5128725), (5, 4102980), (6, 3419150), (7, 2930700), (10, 2051490), (12, 1709575), (14, 1465350), (15, 1367660), (20, 1025745), (21, 976900), (25, 820596), (28, 732675), (30, 683830), (35, 586140), (42, 488450), (50, 410298), (60, 341915), (70, 293070), (75, 273532), (84, 244225), (100, 205149), (105, 195380), (140, 146535), (150, 136766), (175, 117228), (210, 97690), (300, 68383), (350, 58614), (420, 48845), (525, 39076), (700, 29307), (1050, 19538), (2100, 9769)]