20065604.000000000

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8803}}^1$

素因数の和:8835

約数の個数: 144

約数和(自身を含む): 519154272

約数和(自身を除く): 379714752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 8803, 15840, 17606, 26409, 35212, 44015, 52818, 70424, 79227, 88030, 96833, 105636, 132045, 140848, 158454, 176060, 193666, 211272, 264090, 281696, 290499, 316908, 352120, 387332, 396135, 422544, 484165, 528180, 580998, 633816, 704240, 774664, 792270, 845088, 871497, 968330, 1056360, 1161996, 1267632, 1408480, 1452495, 1549328, 1584540, 1742994, 1936660, 2112720, 2323992, 2535264, 2904990, 3098656, 3169080, 3485988, 3873320, 4225440, 4357485, 4647984, 5809980, 6338160, 6971976, 7746640, 8714970, 9295968, 11619960, 12676320, 13943952, 15493280, 17429940, 23239920, 27887904, 34859880, 46479840, 69719760, 139439520]

約数ペア:

[(1, 139439520), (2, 69719760), (3, 46479840), (4, 34859880), (5, 27887904), (6, 23239920), (8, 17429940), (9, 15493280), (10, 13943952), (11, 12676320), (12, 11619960), (15, 9295968), (16, 8714970), (18, 7746640), (20, 6971976), (22, 6338160), (24, 5809980), (30, 4647984), (32, 4357485), (33, 4225440), (36, 3873320), (40, 3485988), (44, 3169080), (45, 3098656), (48, 2904990), (55, 2535264), (60, 2323992), (66, 2112720), (72, 1936660), (80, 1742994), (88, 1584540), (90, 1549328), (96, 1452495), (99, 1408480), (110, 1267632), (120, 1161996), (132, 1056360), (144, 968330), (160, 871497), (165, 845088), (176, 792270), (180, 774664), (198, 704240), (220, 633816), (240, 580998), (264, 528180), (288, 484165), (330, 422544), (352, 396135), (360, 387332), (396, 352120), (440, 316908), (480, 290499), (495, 281696), (528, 264090), (660, 211272), (720, 193666), (792, 176060), (880, 158454), (990, 140848), (1056, 132045), (1320, 105636), (1440, 96833), (1584, 88030), (1760, 79227), (1980, 70424), (2640, 52818), (3168, 44015), (3960, 35212), (5280, 26409), (7920, 17606), (8803, 15840)]