20564964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1033}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 60220160

約数和(自身を除く): 39655196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1033, 1106, 1422, 1659, 2066, 2212, 2844, 3099, 3318, 4132, 4977, 6198, 6636, 7231, 9297, 9954, 12396, 14462, 18594, 19908, 21693, 28924, 37188, 43386, 65079, 81607, 86772, 130158, 163214, 244821, 260316, 326428, 489642, 571249, 734463, 979284, 1142498, 1468926, 1713747, 2284996, 2937852, 3427494, 5141241, 6854988, 10282482, 20564964]

約数ペア:

[(1, 20564964), (2, 10282482), (3, 6854988), (4, 5141241), (6, 3427494), (7, 2937852), (9, 2284996), (12, 1713747), (14, 1468926), (18, 1142498), (21, 979284), (28, 734463), (36, 571249), (42, 489642), (63, 326428), (79, 260316), (84, 244821), (126, 163214), (158, 130158), (237, 86772), (252, 81607), (316, 65079), (474, 43386), (553, 37188), (711, 28924), (948, 21693), (1033, 19908), (1106, 18594), (1422, 14462), (1659, 12396), (2066, 9954), (2212, 9297), (2844, 7231), (3099, 6636), (3318, 6198), (4132, 4977)]