20488514384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{91801}}^1$

素因数の和:91888

約数の個数: 80

約数和(自身を含む): 45419957520

約数和(自身を除く): 24931443136

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 37, 52, 58, 74, 104, 116, 148, 208, 232, 296, 377, 464, 481, 592, 754, 962, 1073, 1508, 1924, 2146, 3016, 3848, 4292, 6032, 7696, 8584, 13949, 17168, 27898, 55796, 91801, 111592, 183602, 223184, 367204, 734408, 1193413, 1468816, 2386826, 2662229, 3396637, 4773652, 5324458, 6793274, 9547304, 10648916, 13586548, 19094608, 21297832, 27173096, 34608977, 42595664, 44156281, 54346192, 69217954, 88312562, 98502473, 138435908, 176625124, 197004946, 276871816, 353250248, 394009892, 553743632, 706500496, 788019784, 1280532149, 1576039568, 2561064298, 5122128596, 10244257192, 20488514384]

約数ペア:

[(1, 20488514384), (2, 10244257192), (4, 5122128596), (8, 2561064298), (13, 1576039568), (16, 1280532149), (26, 788019784), (29, 706500496), (37, 553743632), (52, 394009892), (58, 353250248), (74, 276871816), (104, 197004946), (116, 176625124), (148, 138435908), (208, 98502473), (232, 88312562), (296, 69217954), (377, 54346192), (464, 44156281), (481, 42595664), (592, 34608977), (754, 27173096), (962, 21297832), (1073, 19094608), (1508, 13586548), (1924, 10648916), (2146, 9547304), (3016, 6793274), (3848, 5324458), (4292, 4773652), (6032, 3396637), (7696, 2662229), (8584, 2386826), (13949, 1468816), (17168, 1193413), (27898, 734408), (55796, 367204), (91801, 223184), (111592, 183602)]