20199995464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1\times {\mathrm{16087}}^1$

素因数の和:16874

約数の個数: 64

約数和(自身を含む): 43553433600

約数和(自身を除く): 23353438136

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 751, 836, 1502, 1672, 3004, 6008, 8261, 14269, 16087, 16522, 28538, 32174, 33044, 57076, 64348, 66088, 114152, 128696, 156959, 176957, 305653, 313918, 353914, 611306, 627836, 707828, 1222612, 1255672, 1415656, 2445224, 3362183, 6724366, 12081337, 13448732, 24162674, 26897464, 48325348, 96650696, 132894707, 229545403, 265789414, 459090806, 531578828, 918181612, 1063157656, 1836363224, 2524999433, 5049998866, 10099997732, 20199995464]

約数ペア:

[(1, 20199995464), (2, 10099997732), (4, 5049998866), (8, 2524999433), (11, 1836363224), (19, 1063157656), (22, 918181612), (38, 531578828), (44, 459090806), (76, 265789414), (88, 229545403), (152, 132894707), (209, 96650696), (418, 48325348), (751, 26897464), (836, 24162674), (1502, 13448732), (1672, 12081337), (3004, 6724366), (6008, 3362183), (8261, 2445224), (14269, 1415656), (16087, 1255672), (16522, 1222612), (28538, 707828), (32174, 627836), (33044, 611306), (57076, 353914), (64348, 313918), (66088, 305653), (114152, 176957), (128696, 156959)]