20423200

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{521}}^1$

素因数の和:555

約数の個数: 108

約数和(自身を含む): 58109562

約数和(自身を除く): 37686362

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 521, 560, 700, 784, 800, 980, 1042, 1120, 1225, 1400, 1568, 1960, 2084, 2450, 2605, 2800, 3647, 3920, 4168, 4900, 5210, 5600, 7294, 7840, 8336, 9800, 10420, 13025, 14588, 16672, 18235, 19600, 20840, 25529, 26050, 29176, 36470, 39200, 41680, 51058, 52100, 58352, 72940, 83360, 91175, 102116, 104200, 116704, 127645, 145880, 182350, 204232, 208400, 255290, 291760, 364700, 408464, 416800, 510580, 583520, 638225, 729400, 816928, 1021160, 1276450, 1458800, 2042320, 2552900, 2917600, 4084640, 5105800, 10211600, 20423200]

約数ペア:

[(1, 20423200), (2, 10211600), (4, 5105800), (5, 4084640), (7, 2917600), (8, 2552900), (10, 2042320), (14, 1458800), (16, 1276450), (20, 1021160), (25, 816928), (28, 729400), (32, 638225), (35, 583520), (40, 510580), (49, 416800), (50, 408464), (56, 364700), (70, 291760), (80, 255290), (98, 208400), (100, 204232), (112, 182350), (140, 145880), (160, 127645), (175, 116704), (196, 104200), (200, 102116), (224, 91175), (245, 83360), (280, 72940), (350, 58352), (392, 52100), (400, 51058), (490, 41680), (521, 39200), (560, 36470), (700, 29176), (784, 26050), (800, 25529), (980, 20840), (1042, 19600), (1120, 18235), (1225, 16672), (1400, 14588), (1568, 13025), (1960, 10420), (2084, 9800), (2450, 8336), (2605, 7840), (2800, 7294), (3647, 5600), (3920, 5210), (4168, 4900)]