20861232

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1386

約数の個数: 80

約数和(自身を含む): 62948352

約数和(自身を除く): 42087120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1316, 1321, 1974, 2256, 2632, 2642, 3948, 3963, 5264, 5284, 7896, 7926, 9247, 10568, 15792, 15852, 18494, 21136, 27741, 31704, 36988, 55482, 62087, 63408, 73976, 110964, 124174, 147952, 186261, 221928, 248348, 372522, 434609, 443856, 496696, 745044, 869218, 993392, 1303827, 1490088, 1738436, 2607654, 2980176, 3476872, 5215308, 6953744, 10430616, 20861232]

約数ペア:

[(1, 20861232), (2, 10430616), (3, 6953744), (4, 5215308), (6, 3476872), (7, 2980176), (8, 2607654), (12, 1738436), (14, 1490088), (16, 1303827), (21, 993392), (24, 869218), (28, 745044), (42, 496696), (47, 443856), (48, 434609), (56, 372522), (84, 248348), (94, 221928), (112, 186261), (141, 147952), (168, 124174), (188, 110964), (282, 73976), (329, 63408), (336, 62087), (376, 55482), (564, 36988), (658, 31704), (752, 27741), (987, 21136), (1128, 18494), (1316, 15852), (1321, 15792), (1974, 10568), (2256, 9247), (2632, 7926), (2642, 7896), (3948, 5284), (3963, 5264)]