20802983992

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1\times {\mathrm{3583}}^1$

素因数の和:4316

約数の個数: 64

約数和(自身を含む): 44900352000

約数和(自身を除く): 24097368008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 521, 796, 1042, 1393, 1592, 2084, 2786, 3583, 3647, 4168, 5572, 7166, 7294, 11144, 14332, 14588, 25081, 28664, 29176, 50162, 100324, 103679, 200648, 207358, 414716, 713017, 725753, 829432, 1426034, 1451506, 1866743, 2852068, 2903012, 3733486, 4991119, 5704136, 5806024, 7466972, 9982238, 13067201, 14933944, 19964476, 26134402, 39928952, 52268804, 104537608, 371481857, 742963714, 1485927428, 2600372999, 2971854856, 5200745998, 10401491996, 20802983992]

約数ペア:

[(1, 20802983992), (2, 10401491996), (4, 5200745998), (7, 2971854856), (8, 2600372999), (14, 1485927428), (28, 742963714), (56, 371481857), (199, 104537608), (398, 52268804), (521, 39928952), (796, 26134402), (1042, 19964476), (1393, 14933944), (1592, 13067201), (2084, 9982238), (2786, 7466972), (3583, 5806024), (3647, 5704136), (4168, 4991119), (5572, 3733486), (7166, 2903012), (7294, 2852068), (11144, 1866743), (14332, 1451506), (14588, 1426034), (25081, 829432), (28664, 725753), (29176, 713017), (50162, 414716), (100324, 207358), (103679, 200648)]