20967012

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 41774940

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 37, 44, 53, 54, 66, 74, 81, 99, 106, 108, 111, 132, 148, 159, 162, 198, 212, 222, 243, 297, 318, 324, 333, 396, 407, 444, 477, 486, 583, 594, 636, 666, 814, 891, 954, 972, 999, 1166, 1188, 1221, 1332, 1431, 1628, 1749, 1782, 1908, 1961, 1998, 2332, 2442, 2673, 2862, 2997, 3498, 3564, 3663, 3922, 3996, 4293, 4884, 5247, 5346, 5724, 5883, 5994, 6996, 7326, 7844, 8586, 8991, 10494, 10692, 10989, 11766, 11988, 12879, 14652, 15741, 17172, 17649, 17982, 20988, 21571, 21978, 23532, 25758, 31482, 32967, 35298, 35964, 43142, 43956, 47223, 51516, 52947, 62964, 64713, 65934, 70596, 86284, 94446, 98901, 105894, 129426, 131868, 141669, 158841, 188892, 194139, 197802, 211788, 258852, 283338, 317682, 388278, 395604, 476523, 566676, 582417, 635364, 776556, 953046, 1164834, 1747251, 1906092, 2329668, 3494502, 5241753, 6989004, 10483506, 20967012]

約数ペア:

[(1, 20967012), (2, 10483506), (3, 6989004), (4, 5241753), (6, 3494502), (9, 2329668), (11, 1906092), (12, 1747251), (18, 1164834), (22, 953046), (27, 776556), (33, 635364), (36, 582417), (37, 566676), (44, 476523), (53, 395604), (54, 388278), (66, 317682), (74, 283338), (81, 258852), (99, 211788), (106, 197802), (108, 194139), (111, 188892), (132, 158841), (148, 141669), (159, 131868), (162, 129426), (198, 105894), (212, 98901), (222, 94446), (243, 86284), (297, 70596), (318, 65934), (324, 64713), (333, 62964), (396, 52947), (407, 51516), (444, 47223), (477, 43956), (486, 43142), (583, 35964), (594, 35298), (636, 32967), (666, 31482), (814, 25758), (891, 23532), (954, 21978), (972, 21571), (999, 20988), (1166, 17982), (1188, 17649), (1221, 17172), (1332, 15741), (1431, 14652), (1628, 12879), (1749, 11988), (1782, 11766), (1908, 10989), (1961, 10692), (1998, 10494), (2332, 8991), (2442, 8586), (2673, 7844), (2862, 7326), (2997, 6996), (3498, 5994), (3564, 5883), (3663, 5724), (3922, 5346), (3996, 5247), (4293, 4884)]