20576030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 38988864

約数和(自身を除く): 18412834

約数列:

[1, 2, 5, 10, 23, 46, 115, 137, 230, 274, 653, 685, 1306, 1370, 3151, 3265, 6302, 6530, 15019, 15755, 30038, 31510, 75095, 89461, 150190, 178922, 447305, 894610, 2057603, 4115206, 10288015, 20576030]

約数ペア:

[(1, 20576030), (2, 10288015), (5, 4115206), (10, 2057603), (23, 894610), (46, 447305), (115, 178922), (137, 150190), (230, 89461), (274, 75095), (653, 31510), (685, 30038), (1306, 15755), (1370, 15019), (3151, 6530), (3265, 6302)]