20117548825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:583

約数の個数: 96

約数和(自身を含む): 29401118208

約数和(自身を除く): 9283569383

約数列:

[1, 5, 11, 17, 25, 55, 85, 107, 131, 187, 275, 307, 425, 535, 655, 935, 1177, 1441, 1535, 1819, 2227, 2675, 3275, 3377, 4675, 5219, 5885, 7205, 7675, 9095, 11135, 14017, 16885, 20009, 24497, 26095, 29425, 32849, 36025, 40217, 45475, 55675, 57409, 70085, 84425, 100045, 122485, 130475, 154187, 164245, 201085, 238289, 287045, 350425, 361339, 442387, 500225, 558433, 612425, 683689, 770935, 821225, 1005425, 1191445, 1435225, 1806695, 2211935, 2621179, 2792165, 3418445, 3854675, 4303219, 5957225, 6142763, 7520579, 9033475, 11059675, 13105895, 13960825, 17092225, 21516095, 30713815, 37602895, 47335409, 65529475, 73154723, 107580475, 153569075, 188014475, 236677045, 365773615, 804701953, 1183385225, 1828868075, 4023509765, 20117548825]

約数ペア:

[(1, 20117548825), (5, 4023509765), (11, 1828868075), (17, 1183385225), (25, 804701953), (55, 365773615), (85, 236677045), (107, 188014475), (131, 153569075), (187, 107580475), (275, 73154723), (307, 65529475), (425, 47335409), (535, 37602895), (655, 30713815), (935, 21516095), (1177, 17092225), (1441, 13960825), (1535, 13105895), (1819, 11059675), (2227, 9033475), (2675, 7520579), (3275, 6142763), (3377, 5957225), (4675, 4303219), (5219, 3854675), (5885, 3418445), (7205, 2792165), (7675, 2621179), (9095, 2211935), (11135, 1806695), (14017, 1435225), (16885, 1191445), (20009, 1005425), (24497, 821225), (26095, 770935), (29425, 683689), (32849, 612425), (36025, 558433), (40217, 500225), (45475, 442387), (55675, 361339), (57409, 350425), (70085, 287045), (84425, 238289), (100045, 201085), (122485, 164245), (130475, 154187)]