20123482407

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{3547}}^1$

素因数の和:3876

約数の個数: 64

約数和(自身を含む): 32970854400

約数和(自身を除く): 12847371993

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 241, 399, 413, 723, 1121, 1239, 1687, 3363, 3547, 4579, 5061, 7847, 10641, 13737, 14219, 23541, 24829, 32053, 42657, 67393, 74487, 96159, 99533, 202179, 209273, 270161, 298599, 471751, 627819, 810483, 854827, 1415253, 1464911, 1891127, 2564481, 3976187, 4394733, 5673381, 5983789, 11928561, 16241713, 17951367, 27833309, 48725139, 50434793, 83499927, 113691991, 151304379, 341075973, 353043551, 958261067, 1059130653, 2874783201, 6707827469, 20123482407]

約数ペア:

[(1, 20123482407), (3, 6707827469), (7, 2874783201), (19, 1059130653), (21, 958261067), (57, 353043551), (59, 341075973), (133, 151304379), (177, 113691991), (241, 83499927), (399, 50434793), (413, 48725139), (723, 27833309), (1121, 17951367), (1239, 16241713), (1687, 11928561), (3363, 5983789), (3547, 5673381), (4579, 4394733), (5061, 3976187), (7847, 2564481), (10641, 1891127), (13737, 1464911), (14219, 1415253), (23541, 854827), (24829, 810483), (32053, 627819), (42657, 471751), (67393, 298599), (74487, 270161), (96159, 209273), (99533, 202179)]