20865306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2377}}^1$

素因数の和:2419

約数の個数: 64

約数和(自身を含む): 54789120

約数和(自身を除く): 33923814

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 133, 154, 209, 231, 266, 399, 418, 462, 627, 798, 1254, 1463, 2377, 2926, 4389, 4754, 7131, 8778, 14262, 16639, 26147, 33278, 45163, 49917, 52294, 78441, 90326, 99834, 135489, 156882, 183029, 270978, 316141, 366058, 496793, 549087, 632282, 948423, 993586, 1098174, 1490379, 1896846, 2980758, 3477551, 6955102, 10432653, 20865306]

約数ペア:

[(1, 20865306), (2, 10432653), (3, 6955102), (6, 3477551), (7, 2980758), (11, 1896846), (14, 1490379), (19, 1098174), (21, 993586), (22, 948423), (33, 632282), (38, 549087), (42, 496793), (57, 366058), (66, 316141), (77, 270978), (114, 183029), (133, 156882), (154, 135489), (209, 99834), (231, 90326), (266, 78441), (399, 52294), (418, 49917), (462, 45163), (627, 33278), (798, 26147), (1254, 16639), (1463, 14262), (2377, 8778), (2926, 7131), (4389, 4754)]