20615677576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:827

約数の個数: 128

約数和(自身を含む): 43545600000

約数和(自身を除く): 22929922424

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 71, 79, 104, 118, 142, 158, 236, 284, 316, 472, 568, 599, 632, 767, 923, 1027, 1198, 1534, 1846, 2054, 2396, 3068, 3692, 4108, 4189, 4661, 4792, 5609, 6136, 7384, 7787, 8216, 8378, 9322, 11218, 15574, 16756, 18644, 22436, 31148, 33512, 35341, 37288, 42529, 44872, 47321, 54457, 60593, 62296, 70682, 72917, 85058, 94642, 108914, 121186, 141364, 145834, 170116, 189284, 217828, 242372, 282728, 291668, 330931, 340232, 378568, 435656, 459433, 484744, 552877, 583336, 615173, 661862, 918866, 1105754, 1230346, 1323724, 1837732, 2211508, 2460692, 2509211, 2647448, 2791939, 3359791, 3675464, 4302103, 4423016, 4921384, 5018422, 5583878, 6719582, 8604206, 10036844, 11167756, 13439164, 17208412, 20073688, 22335512, 26878328, 32619743, 34416824, 36295207, 43677283, 65239486, 72590414, 87354566, 130478972, 145180828, 174709132, 198227669, 260957944, 290361656, 349418264, 396455338, 792910676, 1585821352, 2576959697, 5153919394, 10307838788, 20615677576]

約数ペア:

[(1, 20615677576), (2, 10307838788), (4, 5153919394), (8, 2576959697), (13, 1585821352), (26, 792910676), (52, 396455338), (59, 349418264), (71, 290361656), (79, 260957944), (104, 198227669), (118, 174709132), (142, 145180828), (158, 130478972), (236, 87354566), (284, 72590414), (316, 65239486), (472, 43677283), (568, 36295207), (599, 34416824), (632, 32619743), (767, 26878328), (923, 22335512), (1027, 20073688), (1198, 17208412), (1534, 13439164), (1846, 11167756), (2054, 10036844), (2396, 8604206), (3068, 6719582), (3692, 5583878), (4108, 5018422), (4189, 4921384), (4661, 4423016), (4792, 4302103), (5609, 3675464), (6136, 3359791), (7384, 2791939), (7787, 2647448), (8216, 2509211), (8378, 2460692), (9322, 2211508), (11218, 1837732), (15574, 1323724), (16756, 1230346), (18644, 1105754), (22436, 918866), (31148, 661862), (33512, 615173), (35341, 583336), (37288, 552877), (42529, 484744), (44872, 459433), (47321, 435656), (54457, 378568), (60593, 340232), (62296, 330931), (70682, 291668), (72917, 282728), (85058, 242372), (94642, 217828), (108914, 189284), (121186, 170116), (141364, 145834)]