20969928

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 192

約数和(自身を含む): 71285760

約数和(自身を除く): 50315832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 67, 69, 72, 81, 84, 92, 108, 126, 134, 138, 161, 162, 168, 184, 189, 201, 207, 216, 243, 252, 268, 276, 322, 324, 378, 402, 414, 469, 483, 486, 504, 536, 552, 567, 603, 621, 644, 648, 756, 804, 828, 938, 966, 972, 1134, 1206, 1242, 1288, 1407, 1449, 1512, 1541, 1608, 1656, 1701, 1809, 1863, 1876, 1932, 1944, 2268, 2412, 2484, 2814, 2898, 3082, 3402, 3618, 3726, 3752, 3864, 4221, 4347, 4536, 4623, 4824, 4968, 5427, 5589, 5628, 5796, 6164, 6804, 7236, 7452, 8442, 8694, 9246, 10787, 10854, 11178, 11256, 11592, 12328, 12663, 13041, 13608, 13869, 14472, 14904, 16281, 16884, 17388, 18492, 21574, 21708, 22356, 25326, 26082, 27738, 32361, 32562, 33768, 34776, 36984, 37989, 39123, 41607, 43148, 43416, 44712, 50652, 52164, 55476, 64722, 65124, 75978, 78246, 83214, 86296, 97083, 101304, 104328, 110952, 113967, 124821, 129444, 130248, 151956, 156492, 166428, 194166, 227934, 249642, 258888, 291249, 303912, 312984, 332856, 374463, 388332, 455868, 499284, 582498, 748926, 776664, 873747, 911736, 998568, 1164996, 1497852, 1747494, 2329992, 2621241, 2995704, 3494988, 5242482, 6989976, 10484964, 20969928]

約数ペア:

[(1, 20969928), (2, 10484964), (3, 6989976), (4, 5242482), (6, 3494988), (7, 2995704), (8, 2621241), (9, 2329992), (12, 1747494), (14, 1497852), (18, 1164996), (21, 998568), (23, 911736), (24, 873747), (27, 776664), (28, 748926), (36, 582498), (42, 499284), (46, 455868), (54, 388332), (56, 374463), (63, 332856), (67, 312984), (69, 303912), (72, 291249), (81, 258888), (84, 249642), (92, 227934), (108, 194166), (126, 166428), (134, 156492), (138, 151956), (161, 130248), (162, 129444), (168, 124821), (184, 113967), (189, 110952), (201, 104328), (207, 101304), (216, 97083), (243, 86296), (252, 83214), (268, 78246), (276, 75978), (322, 65124), (324, 64722), (378, 55476), (402, 52164), (414, 50652), (469, 44712), (483, 43416), (486, 43148), (504, 41607), (536, 39123), (552, 37989), (567, 36984), (603, 34776), (621, 33768), (644, 32562), (648, 32361), (756, 27738), (804, 26082), (828, 25326), (938, 22356), (966, 21708), (972, 21574), (1134, 18492), (1206, 17388), (1242, 16884), (1288, 16281), (1407, 14904), (1449, 14472), (1512, 13869), (1541, 13608), (1608, 13041), (1656, 12663), (1701, 12328), (1809, 11592), (1863, 11256), (1876, 11178), (1932, 10854), (1944, 10787), (2268, 9246), (2412, 8694), (2484, 8442), (2814, 7452), (2898, 7236), (3082, 6804), (3402, 6164), (3618, 5796), (3726, 5628), (3752, 5589), (3864, 5427), (4221, 4968), (4347, 4824), (4536, 4623)]