20766105220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{10061}}^1$

素因数の和:10741

約数の個数: 96

約数和(自身を含む): 52091859456

約数和(自身を除く): 31325754236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 641, 644, 805, 1282, 1610, 2564, 3205, 3220, 4487, 6410, 8974, 10061, 12820, 14743, 17948, 20122, 22435, 29486, 40244, 44870, 50305, 58972, 70427, 73715, 89740, 100610, 103201, 140854, 147430, 201220, 206402, 231403, 281708, 294860, 352135, 412804, 462806, 516005, 704270, 925612, 1032010, 1157015, 1408540, 1619821, 2064020, 2314030, 3239642, 4628060, 6449101, 6479284, 8099105, 12898202, 16198210, 25796404, 32245505, 32396420, 45143707, 64491010, 90287414, 128982020, 148329323, 180574828, 225718535, 296658646, 451437070, 593317292, 741646615, 902874140, 1038305261, 1483293230, 2076610522, 2966586460, 4153221044, 5191526305, 10383052610, 20766105220]

約数ペア:

[(1, 20766105220), (2, 10383052610), (4, 5191526305), (5, 4153221044), (7, 2966586460), (10, 2076610522), (14, 1483293230), (20, 1038305261), (23, 902874140), (28, 741646615), (35, 593317292), (46, 451437070), (70, 296658646), (92, 225718535), (115, 180574828), (140, 148329323), (161, 128982020), (230, 90287414), (322, 64491010), (460, 45143707), (641, 32396420), (644, 32245505), (805, 25796404), (1282, 16198210), (1610, 12898202), (2564, 8099105), (3205, 6479284), (3220, 6449101), (4487, 4628060), (6410, 3239642), (8974, 2314030), (10061, 2064020), (12820, 1619821), (14743, 1408540), (17948, 1157015), (20122, 1032010), (22435, 925612), (29486, 704270), (40244, 516005), (44870, 462806), (50305, 412804), (58972, 352135), (70427, 294860), (73715, 281708), (89740, 231403), (100610, 206402), (103201, 201220), (140854, 147430)]