20531448

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 67123200

約数和(自身を除く): 46591752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 54, 56, 63, 72, 74, 84, 108, 111, 126, 148, 168, 189, 216, 222, 252, 259, 296, 333, 367, 378, 444, 504, 518, 666, 734, 756, 777, 888, 999, 1036, 1101, 1332, 1468, 1512, 1554, 1998, 2072, 2202, 2331, 2569, 2664, 2936, 3108, 3303, 3996, 4404, 4662, 5138, 6216, 6606, 6993, 7707, 7992, 8808, 9324, 9909, 10276, 13212, 13579, 13986, 15414, 18648, 19818, 20552, 23121, 26424, 27158, 27972, 30828, 39636, 40737, 46242, 54316, 55944, 61656, 69363, 79272, 81474, 92484, 95053, 108632, 122211, 138726, 162948, 184968, 190106, 244422, 277452, 285159, 325896, 366633, 380212, 488844, 554904, 570318, 733266, 760424, 855477, 977688, 1140636, 1466532, 1710954, 2281272, 2566431, 2933064, 3421908, 5132862, 6843816, 10265724, 20531448]

約数ペア:

[(1, 20531448), (2, 10265724), (3, 6843816), (4, 5132862), (6, 3421908), (7, 2933064), (8, 2566431), (9, 2281272), (12, 1710954), (14, 1466532), (18, 1140636), (21, 977688), (24, 855477), (27, 760424), (28, 733266), (36, 570318), (37, 554904), (42, 488844), (54, 380212), (56, 366633), (63, 325896), (72, 285159), (74, 277452), (84, 244422), (108, 190106), (111, 184968), (126, 162948), (148, 138726), (168, 122211), (189, 108632), (216, 95053), (222, 92484), (252, 81474), (259, 79272), (296, 69363), (333, 61656), (367, 55944), (378, 54316), (444, 46242), (504, 40737), (518, 39636), (666, 30828), (734, 27972), (756, 27158), (777, 26424), (888, 23121), (999, 20552), (1036, 19818), (1101, 18648), (1332, 15414), (1468, 13986), (1512, 13579), (1554, 13212), (1998, 10276), (2072, 9909), (2202, 9324), (2331, 8808), (2569, 7992), (2664, 7707), (2936, 6993), (3108, 6606), (3303, 6216), (3996, 5138), (4404, 4662)]