20315676980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{179119}}^1$

素因数の和:179288

約数の個数: 48

約数和(自身を含む): 43874369280

約数和(自身を除く): 23558692300

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 107, 212, 214, 265, 428, 530, 535, 1060, 1070, 2140, 5671, 11342, 22684, 28355, 56710, 113420, 179119, 358238, 716476, 895595, 1791190, 3582380, 9493307, 18986614, 19165733, 37973228, 38331466, 47466535, 76662932, 94933070, 95828665, 189866140, 191657330, 383314660, 1015783849, 2031567698, 4063135396, 5078919245, 10157838490, 20315676980]

約数ペア:

[(1, 20315676980), (2, 10157838490), (4, 5078919245), (5, 4063135396), (10, 2031567698), (20, 1015783849), (53, 383314660), (106, 191657330), (107, 189866140), (212, 95828665), (214, 94933070), (265, 76662932), (428, 47466535), (530, 38331466), (535, 37973228), (1060, 19165733), (1070, 18986614), (2140, 9493307), (5671, 3582380), (11342, 1791190), (22684, 895595), (28355, 716476), (56710, 358238), (113420, 179119)]