20027843906

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1\times {\mathrm{1373}}^1$

素因数の和:2003

約数の個数: 64

約数和(自身を含む): 36326361600

約数和(自身を除く): 16298517694

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 509, 623, 1018, 1246, 1373, 2047, 2746, 3563, 4094, 7126, 9611, 11707, 14329, 19222, 23414, 28658, 31579, 45301, 63158, 81949, 90602, 122197, 163898, 221053, 244394, 317107, 442106, 634214, 698857, 855379, 1041923, 1397714, 1710758, 2083846, 2810531, 4891999, 5621062, 7293461, 9783998, 14586922, 16073711, 19673717, 32147422, 39347434, 62198273, 112515977, 124396546, 225031954, 435387911, 870775822, 1430560279, 2861120558, 10013921953, 20027843906]

約数ペア:

[(1, 20027843906), (2, 10013921953), (7, 2861120558), (14, 1430560279), (23, 870775822), (46, 435387911), (89, 225031954), (161, 124396546), (178, 112515977), (322, 62198273), (509, 39347434), (623, 32147422), (1018, 19673717), (1246, 16073711), (1373, 14586922), (2047, 9783998), (2746, 7293461), (3563, 5621062), (4094, 4891999), (7126, 2810531), (9611, 2083846), (11707, 1710758), (14329, 1397714), (19222, 1041923), (23414, 855379), (28658, 698857), (31579, 634214), (45301, 442106), (63158, 317107), (81949, 244394), (90602, 221053), (122197, 163898)]