20020290044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{8171}}^1$

素因数の和:8610

約数の個数: 48

約数和(自身を含む): 37361076480

約数和(自身を除く): 17340786436

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 313, 412, 626, 1252, 1957, 3914, 5947, 7828, 8171, 11894, 16342, 23788, 32239, 32684, 64478, 128956, 155249, 310498, 612541, 620996, 841613, 1225082, 1683226, 2450164, 2557523, 3366452, 5115046, 10230092, 15990647, 31981294, 48592937, 63962588, 97185874, 194371748, 263424869, 526849738, 1053699476, 5005072511, 10010145022, 20020290044]

約数ペア:

[(1, 20020290044), (2, 10010145022), (4, 5005072511), (19, 1053699476), (38, 526849738), (76, 263424869), (103, 194371748), (206, 97185874), (313, 63962588), (412, 48592937), (626, 31981294), (1252, 15990647), (1957, 10230092), (3914, 5115046), (5947, 3366452), (7828, 2557523), (8171, 2450164), (11894, 1683226), (16342, 1225082), (23788, 841613), (32239, 620996), (32684, 612541), (64478, 310498), (128956, 155249)]