20009808

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:546

約数の個数: 160

約数和(自身を含む): 70828800

約数和(自身を除く): 50818992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 234, 252, 273, 312, 336, 351, 364, 378, 432, 468, 504, 509, 546, 624, 702, 728, 756, 819, 936, 1008, 1018, 1092, 1404, 1456, 1512, 1527, 1638, 1872, 2036, 2184, 2457, 2808, 3024, 3054, 3276, 3563, 4072, 4368, 4581, 4914, 5616, 6108, 6552, 6617, 7126, 8144, 9162, 9828, 10689, 12216, 13104, 13234, 13743, 14252, 18324, 19656, 19851, 21378, 24432, 26468, 27486, 28504, 32067, 36648, 39312, 39702, 42756, 46319, 52936, 54972, 57008, 59553, 64134, 73296, 79404, 85512, 92638, 96201, 105872, 109944, 119106, 128268, 138957, 158808, 171024, 178659, 185276, 192402, 219888, 238212, 256536, 277914, 317616, 357318, 370552, 384804, 416871, 476424, 513072, 555828, 714636, 741104, 769608, 833742, 952848, 1111656, 1250613, 1429272, 1539216, 1667484, 2223312, 2501226, 2858544, 3334968, 5002452, 6669936, 10004904, 20009808]

約数ペア:

[(1, 20009808), (2, 10004904), (3, 6669936), (4, 5002452), (6, 3334968), (7, 2858544), (8, 2501226), (9, 2223312), (12, 1667484), (13, 1539216), (14, 1429272), (16, 1250613), (18, 1111656), (21, 952848), (24, 833742), (26, 769608), (27, 741104), (28, 714636), (36, 555828), (39, 513072), (42, 476424), (48, 416871), (52, 384804), (54, 370552), (56, 357318), (63, 317616), (72, 277914), (78, 256536), (84, 238212), (91, 219888), (104, 192402), (108, 185276), (112, 178659), (117, 171024), (126, 158808), (144, 138957), (156, 128268), (168, 119106), (182, 109944), (189, 105872), (208, 96201), (216, 92638), (234, 85512), (252, 79404), (273, 73296), (312, 64134), (336, 59553), (351, 57008), (364, 54972), (378, 52936), (432, 46319), (468, 42756), (504, 39702), (509, 39312), (546, 36648), (624, 32067), (702, 28504), (728, 27486), (756, 26468), (819, 24432), (936, 21378), (1008, 19851), (1018, 19656), (1092, 18324), (1404, 14252), (1456, 13743), (1512, 13234), (1527, 13104), (1638, 12216), (1872, 10689), (2036, 9828), (2184, 9162), (2457, 8144), (2808, 7126), (3024, 6617), (3054, 6552), (3276, 6108), (3563, 5616), (4072, 4914), (4368, 4581)]