20724444

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 96

約数和(自身を含む): 59976000

約数和(自身を除く): 39251556

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 87, 108, 116, 117, 156, 174, 234, 261, 348, 351, 377, 468, 509, 522, 702, 754, 783, 1018, 1044, 1131, 1404, 1508, 1527, 1566, 2036, 2262, 3054, 3132, 3393, 4524, 4581, 6108, 6617, 6786, 9162, 10179, 13234, 13572, 13743, 14761, 18324, 19851, 20358, 26468, 27486, 29522, 39702, 40716, 44283, 54972, 59044, 59553, 79404, 88566, 119106, 132849, 177132, 178659, 191893, 238212, 265698, 357318, 383786, 398547, 531396, 575679, 714636, 767572, 797094, 1151358, 1594188, 1727037, 2302716, 3454074, 5181111, 6908148, 10362222, 20724444]

約数ペア:

[(1, 20724444), (2, 10362222), (3, 6908148), (4, 5181111), (6, 3454074), (9, 2302716), (12, 1727037), (13, 1594188), (18, 1151358), (26, 797094), (27, 767572), (29, 714636), (36, 575679), (39, 531396), (52, 398547), (54, 383786), (58, 357318), (78, 265698), (87, 238212), (108, 191893), (116, 178659), (117, 177132), (156, 132849), (174, 119106), (234, 88566), (261, 79404), (348, 59553), (351, 59044), (377, 54972), (468, 44283), (509, 40716), (522, 39702), (702, 29522), (754, 27486), (783, 26468), (1018, 20358), (1044, 19851), (1131, 18324), (1404, 14761), (1508, 13743), (1527, 13572), (1566, 13234), (2036, 10179), (2262, 9162), (3054, 6786), (3132, 6617), (3393, 6108), (4524, 4581)]