20736692920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1453}}^1\times {\mathrm{9643}}^1$

素因数の和:11144

約数の個数: 64

約数和(自身を含む): 47956525920

約数和(自身を除く): 27219833000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1453, 1480, 2906, 5812, 7265, 9643, 11624, 14530, 19286, 29060, 38572, 48215, 53761, 58120, 77144, 96430, 107522, 192860, 215044, 268805, 356791, 385720, 430088, 537610, 713582, 1075220, 1427164, 1783955, 2150440, 2854328, 3567910, 7135820, 14011279, 14271640, 28022558, 56045116, 70056395, 112090232, 140112790, 280225580, 518417323, 560451160, 1036834646, 2073669292, 2592086615, 4147338584, 5184173230, 10368346460, 20736692920]

約数ペア:

[(1, 20736692920), (2, 10368346460), (4, 5184173230), (5, 4147338584), (8, 2592086615), (10, 2073669292), (20, 1036834646), (37, 560451160), (40, 518417323), (74, 280225580), (148, 140112790), (185, 112090232), (296, 70056395), (370, 56045116), (740, 28022558), (1453, 14271640), (1480, 14011279), (2906, 7135820), (5812, 3567910), (7265, 2854328), (9643, 2150440), (11624, 1783955), (14530, 1427164), (19286, 1075220), (29060, 713582), (38572, 537610), (48215, 430088), (53761, 385720), (58120, 356791), (77144, 268805), (96430, 215044), (107522, 192860)]