20576088

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 64233000

約数和(自身を除く): 43656912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 89, 104, 114, 117, 152, 156, 169, 171, 178, 228, 234, 247, 267, 312, 338, 342, 356, 456, 468, 494, 507, 534, 676, 684, 712, 741, 801, 936, 988, 1014, 1068, 1157, 1352, 1368, 1482, 1521, 1602, 1691, 1976, 2028, 2136, 2223, 2314, 2964, 3042, 3204, 3211, 3382, 3471, 4056, 4446, 4628, 5073, 5928, 6084, 6408, 6422, 6764, 6942, 8892, 9256, 9633, 10146, 10413, 12168, 12844, 13528, 13884, 15041, 15219, 17784, 19266, 20292, 20826, 21983, 25688, 27768, 28899, 30082, 30438, 38532, 40584, 41652, 43966, 45123, 57798, 60164, 60876, 65949, 77064, 83304, 87932, 90246, 115596, 120328, 121752, 131898, 135369, 175864, 180492, 197847, 231192, 263796, 270738, 285779, 360984, 395694, 527592, 541476, 571558, 791388, 857337, 1082952, 1143116, 1582776, 1714674, 2286232, 2572011, 3429348, 5144022, 6858696, 10288044, 20576088]

約数ペア:

[(1, 20576088), (2, 10288044), (3, 6858696), (4, 5144022), (6, 3429348), (8, 2572011), (9, 2286232), (12, 1714674), (13, 1582776), (18, 1143116), (19, 1082952), (24, 857337), (26, 791388), (36, 571558), (38, 541476), (39, 527592), (52, 395694), (57, 360984), (72, 285779), (76, 270738), (78, 263796), (89, 231192), (104, 197847), (114, 180492), (117, 175864), (152, 135369), (156, 131898), (169, 121752), (171, 120328), (178, 115596), (228, 90246), (234, 87932), (247, 83304), (267, 77064), (312, 65949), (338, 60876), (342, 60164), (356, 57798), (456, 45123), (468, 43966), (494, 41652), (507, 40584), (534, 38532), (676, 30438), (684, 30082), (712, 28899), (741, 27768), (801, 25688), (936, 21983), (988, 20826), (1014, 20292), (1068, 19266), (1157, 17784), (1352, 15219), (1368, 15041), (1482, 13884), (1521, 13528), (1602, 12844), (1691, 12168), (1976, 10413), (2028, 10146), (2136, 9633), (2223, 9256), (2314, 8892), (2964, 6942), (3042, 6764), (3204, 6422), (3211, 6408), (3382, 6084), (3471, 5928), (4056, 5073), (4446, 4628)]