20194288420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{6569}}^1$

素因数の和:6805

約数の個数: 96

約数和(自身を含む): 45616193280

約数和(自身を除く): 25421904860

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 163, 164, 205, 230, 326, 410, 460, 652, 815, 820, 943, 1630, 1886, 3260, 3749, 3772, 4715, 6569, 6683, 7498, 9430, 13138, 13366, 14996, 18745, 18860, 26276, 26732, 32845, 33415, 37490, 65690, 66830, 74980, 131380, 133660, 151087, 153709, 269329, 302174, 307418, 538658, 604348, 614836, 755435, 768545, 1070747, 1077316, 1346645, 1510870, 1537090, 2141494, 2693290, 3021740, 3074180, 4282988, 5353735, 5386580, 6194567, 10707470, 12389134, 21414940, 24627181, 24778268, 30972835, 43900627, 49254362, 61945670, 87801254, 98508724, 123135905, 123891340, 175602508, 219503135, 246271810, 439006270, 492543620, 878012540, 1009714421, 2019428842, 4038857684, 5048572105, 10097144210, 20194288420]

約数ペア:

[(1, 20194288420), (2, 10097144210), (4, 5048572105), (5, 4038857684), (10, 2019428842), (20, 1009714421), (23, 878012540), (41, 492543620), (46, 439006270), (82, 246271810), (92, 219503135), (115, 175602508), (163, 123891340), (164, 123135905), (205, 98508724), (230, 87801254), (326, 61945670), (410, 49254362), (460, 43900627), (652, 30972835), (815, 24778268), (820, 24627181), (943, 21414940), (1630, 12389134), (1886, 10707470), (3260, 6194567), (3749, 5386580), (3772, 5353735), (4715, 4282988), (6569, 3074180), (6683, 3021740), (7498, 2693290), (9430, 2141494), (13138, 1537090), (13366, 1510870), (14996, 1346645), (18745, 1077316), (18860, 1070747), (26276, 768545), (26732, 755435), (32845, 614836), (33415, 604348), (37490, 538658), (65690, 307418), (66830, 302174), (74980, 269329), (131380, 153709), (133660, 151087)]