20804545444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{56477}}^1$

素因数の和:56668

約数の個数: 48

約数和(自身を含む): 39661110720

約数和(自身を除く): 18856565276

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 131, 148, 262, 524, 703, 1406, 2489, 2812, 4847, 4978, 9694, 9956, 19388, 56477, 92093, 112954, 184186, 225908, 368372, 1073063, 2089649, 2146126, 4179298, 4292252, 7398487, 8358596, 14796974, 29593948, 39703331, 79406662, 140571253, 158813324, 273744019, 281142506, 547488038, 562285012, 1094976076, 5201136361, 10402272722, 20804545444]

約数ペア:

[(1, 20804545444), (2, 10402272722), (4, 5201136361), (19, 1094976076), (37, 562285012), (38, 547488038), (74, 281142506), (76, 273744019), (131, 158813324), (148, 140571253), (262, 79406662), (524, 39703331), (703, 29593948), (1406, 14796974), (2489, 8358596), (2812, 7398487), (4847, 4292252), (4978, 4179298), (9694, 2146126), (9956, 2089649), (19388, 1073063), (56477, 368372), (92093, 225908), (112954, 184186)]