20165594140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3121609}}^1$

素因数の和:3121654

約数の個数: 48

約数和(自身を含む): 47198743200

約数和(自身を除く): 27033149060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 3121609, 6243218, 12486436, 15608045, 31216090, 53067353, 59310571, 62432180, 106134706, 118621142, 212269412, 237242284, 265336765, 296552855, 530673530, 593105710, 1008279707, 1061347060, 1186211420, 2016559414, 4033118828, 5041398535, 10082797070, 20165594140]

約数ペア:

[(1, 20165594140), (2, 10082797070), (4, 5041398535), (5, 4033118828), (10, 2016559414), (17, 1186211420), (19, 1061347060), (20, 1008279707), (34, 593105710), (38, 530673530), (68, 296552855), (76, 265336765), (85, 237242284), (95, 212269412), (170, 118621142), (190, 106134706), (323, 62432180), (340, 59310571), (380, 53067353), (646, 31216090), (1292, 15608045), (1615, 12486436), (3230, 6243218), (6460, 3121609)]