20802364340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{237091}}^1$

素因数の和:237248

約数の個数: 48

約数和(自身を含む): 45168871104

約数和(自身を除く): 24366506764

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 820, 1070, 2140, 4387, 8774, 17548, 21935, 43870, 87740, 237091, 474182, 948364, 1185455, 2370910, 4741820, 9720731, 19441462, 25368737, 38882924, 48603655, 50737474, 97207310, 101474948, 126843685, 194414620, 253687370, 507374740, 1040118217, 2080236434, 4160472868, 5200591085, 10401182170, 20802364340]

約数ペア:

[(1, 20802364340), (2, 10401182170), (4, 5200591085), (5, 4160472868), (10, 2080236434), (20, 1040118217), (41, 507374740), (82, 253687370), (107, 194414620), (164, 126843685), (205, 101474948), (214, 97207310), (410, 50737474), (428, 48603655), (535, 38882924), (820, 25368737), (1070, 19441462), (2140, 9720731), (4387, 4741820), (8774, 2370910), (17548, 1185455), (21935, 948364), (43870, 474182), (87740, 237091)]