20163797240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7213}}^1\times {\mathrm{4111}}^1$

素因数の和:11352

約数の個数: 64

約数和(自身を含む): 48055628160

約数和(自身を除く): 27891830920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 4111, 7213, 8222, 14426, 16444, 20555, 28852, 32888, 36065, 41110, 57704, 69887, 72130, 82220, 122621, 139774, 144260, 164440, 245242, 279548, 288520, 349435, 490484, 559096, 613105, 698870, 980968, 1226210, 1397740, 2452420, 2795480, 4904840, 29652643, 59305286, 118610572, 148263215, 237221144, 296526430, 504094931, 593052860, 1008189862, 1186105720, 2016379724, 2520474655, 4032759448, 5040949310, 10081898620, 20163797240]

約数ペア:

[(1, 20163797240), (2, 10081898620), (4, 5040949310), (5, 4032759448), (8, 2520474655), (10, 2016379724), (17, 1186105720), (20, 1008189862), (34, 593052860), (40, 504094931), (68, 296526430), (85, 237221144), (136, 148263215), (170, 118610572), (340, 59305286), (680, 29652643), (4111, 4904840), (7213, 2795480), (8222, 2452420), (14426, 1397740), (16444, 1226210), (20555, 980968), (28852, 698870), (32888, 613105), (36065, 559096), (41110, 490484), (57704, 349435), (69887, 288520), (72130, 279548), (82220, 245242), (122621, 164440), (139774, 144260)]