20049915392

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{8681}}^1$

素因数の和:9059

約数の個数: 80

約数和(自身を含む): 43271574192

約数和(自身を除く): 23221658800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 347, 416, 512, 694, 832, 1388, 1664, 2776, 3328, 4511, 5552, 6656, 8681, 9022, 11104, 17362, 18044, 22208, 34724, 36088, 44416, 69448, 72176, 88832, 112853, 138896, 144352, 177664, 225706, 277792, 288704, 451412, 555584, 577408, 902824, 1111168, 1154816, 1805648, 2222336, 2309632, 3012307, 3611296, 4444672, 6024614, 7222592, 12049228, 14445184, 24098456, 28890368, 39159991, 48196912, 57780736, 78319982, 96393824, 156639964, 192787648, 313279928, 385575296, 626559856, 771150592, 1253119712, 1542301184, 2506239424, 5012478848, 10024957696, 20049915392]

約数ペア:

[(1, 20049915392), (2, 10024957696), (4, 5012478848), (8, 2506239424), (13, 1542301184), (16, 1253119712), (26, 771150592), (32, 626559856), (52, 385575296), (64, 313279928), (104, 192787648), (128, 156639964), (208, 96393824), (256, 78319982), (347, 57780736), (416, 48196912), (512, 39159991), (694, 28890368), (832, 24098456), (1388, 14445184), (1664, 12049228), (2776, 7222592), (3328, 6024614), (4511, 4444672), (5552, 3611296), (6656, 3012307), (8681, 2309632), (9022, 2222336), (11104, 1805648), (17362, 1154816), (18044, 1111168), (22208, 902824), (34724, 577408), (36088, 555584), (44416, 451412), (69448, 288704), (72176, 277792), (88832, 225706), (112853, 177664), (138896, 144352)]