20486370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 52346880

約数和(自身を除く): 31860510

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 127, 190, 254, 283, 285, 381, 566, 570, 635, 762, 849, 1270, 1415, 1698, 1905, 2413, 2830, 3810, 4245, 4826, 5377, 7239, 8490, 10754, 12065, 14478, 16131, 24130, 26885, 32262, 35941, 36195, 53770, 71882, 72390, 80655, 107823, 161310, 179705, 215646, 359410, 539115, 682879, 1078230, 1365758, 2048637, 3414395, 4097274, 6828790, 10243185, 20486370]

約数ペア:

[(1, 20486370), (2, 10243185), (3, 6828790), (5, 4097274), (6, 3414395), (10, 2048637), (15, 1365758), (19, 1078230), (30, 682879), (38, 539115), (57, 359410), (95, 215646), (114, 179705), (127, 161310), (190, 107823), (254, 80655), (283, 72390), (285, 71882), (381, 53770), (566, 36195), (570, 35941), (635, 32262), (762, 26885), (849, 24130), (1270, 16131), (1415, 14478), (1698, 12065), (1905, 10754), (2413, 8490), (2830, 7239), (3810, 5377), (4245, 4826)]