20999022900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{359}}^1\times {\mathrm{194977}}^1$

素因数の和:195353

約数の個数: 72

約数和(自身を含む): 60926725440

約数和(自身を除く): 39927702540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 359, 718, 1077, 1436, 1795, 2154, 3590, 4308, 5385, 7180, 8975, 10770, 17950, 21540, 26925, 35900, 53850, 107700, 194977, 389954, 584931, 779908, 974885, 1169862, 1949770, 2339724, 2924655, 3899540, 4874425, 5849310, 9748850, 11698620, 14623275, 19497700, 29246550, 58493100, 69996743, 139993486, 209990229, 279986972, 349983715, 419980458, 699967430, 839960916, 1049951145, 1399934860, 1749918575, 2099902290, 3499837150, 4199804580, 5249755725, 6999674300, 10499511450, 20999022900]

約数ペア:

[(1, 20999022900), (2, 10499511450), (3, 6999674300), (4, 5249755725), (5, 4199804580), (6, 3499837150), (10, 2099902290), (12, 1749918575), (15, 1399934860), (20, 1049951145), (25, 839960916), (30, 699967430), (50, 419980458), (60, 349983715), (75, 279986972), (100, 209990229), (150, 139993486), (300, 69996743), (359, 58493100), (718, 29246550), (1077, 19497700), (1436, 14623275), (1795, 11698620), (2154, 9748850), (3590, 5849310), (4308, 4874425), (5385, 3899540), (7180, 2924655), (8975, 2339724), (10770, 1949770), (17950, 1169862), (21540, 974885), (26925, 779908), (35900, 584931), (53850, 389954), (107700, 194977)]