20161718140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107621}}^1$

素因数の和:107695

約数の個数: 96

約数和(自身を含む): 48817339200

約数和(自身を除く): 28655621060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 29, 34, 38, 58, 68, 76, 85, 95, 116, 145, 170, 190, 290, 323, 340, 380, 493, 551, 580, 646, 986, 1102, 1292, 1615, 1972, 2204, 2465, 2755, 3230, 4930, 5510, 6460, 9367, 9860, 11020, 18734, 37468, 46835, 93670, 107621, 187340, 215242, 430484, 538105, 1076210, 1829557, 2044799, 2152420, 3121009, 3659114, 4089598, 6242018, 7318228, 8179196, 9147785, 10223995, 12484036, 15605045, 18295570, 20447990, 31210090, 34761583, 36591140, 40895980, 53057153, 59299171, 62420180, 69523166, 106114306, 118598342, 139046332, 173807915, 212228612, 237196684, 265285765, 296495855, 347615830, 530571530, 592991710, 695231660, 1008085907, 1061143060, 1185983420, 2016171814, 4032343628, 5040429535, 10080859070, 20161718140]

約数ペア:

[(1, 20161718140), (2, 10080859070), (4, 5040429535), (5, 4032343628), (10, 2016171814), (17, 1185983420), (19, 1061143060), (20, 1008085907), (29, 695231660), (34, 592991710), (38, 530571530), (58, 347615830), (68, 296495855), (76, 265285765), (85, 237196684), (95, 212228612), (116, 173807915), (145, 139046332), (170, 118598342), (190, 106114306), (290, 69523166), (323, 62420180), (340, 59299171), (380, 53057153), (493, 40895980), (551, 36591140), (580, 34761583), (646, 31210090), (986, 20447990), (1102, 18295570), (1292, 15605045), (1615, 12484036), (1972, 10223995), (2204, 9147785), (2465, 8179196), (2755, 7318228), (3230, 6242018), (4930, 4089598), (5510, 3659114), (6460, 3121009), (9367, 2152420), (9860, 2044799), (11020, 1829557), (18734, 1076210), (37468, 538105), (46835, 430484), (93670, 215242), (107621, 187340)]