20668718448

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20504681}}^1$

素因数の和:20504702

約数の個数: 60

約数和(自身を含む): 66107094768

約数和(自身を除く): 45438376320

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20504681, 41009362, 61514043, 82018724, 123028086, 143532767, 164037448, 184542129, 246056172, 287065534, 328074896, 369084258, 430598301, 492112344, 574131068, 738168516, 861196602, 984224688, 1148262136, 1291794903, 1476337032, 1722393204, 2296524272, 2583589806, 2952674064, 3444786408, 5167179612, 6889572816, 10334359224, 20668718448]

約数ペア:

[(1, 20668718448), (2, 10334359224), (3, 6889572816), (4, 5167179612), (6, 3444786408), (7, 2952674064), (8, 2583589806), (9, 2296524272), (12, 1722393204), (14, 1476337032), (16, 1291794903), (18, 1148262136), (21, 984224688), (24, 861196602), (28, 738168516), (36, 574131068), (42, 492112344), (48, 430598301), (56, 369084258), (63, 328074896), (72, 287065534), (84, 246056172), (112, 184542129), (126, 164037448), (144, 143532767), (168, 123028086), (252, 82018724), (336, 61514043), (504, 41009362), (1008, 20504681)]