20550405616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1\times {\mathrm{3673}}^1$

素因数の和:4458

約数の個数: 80

約数和(自身を含む): 44110690624

約数和(自身を除く): 23560285008

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 727, 962, 1454, 1924, 2908, 3673, 3848, 5816, 7346, 7696, 9451, 11632, 14692, 18902, 26899, 29384, 37804, 47749, 53798, 58768, 75608, 95498, 107596, 135901, 151216, 190996, 215192, 271802, 349687, 381992, 430384, 543604, 699374, 763984, 1087208, 1398748, 1766713, 2174416, 2670271, 2797496, 3533426, 5340542, 5594992, 7066852, 10681084, 14133704, 21362168, 28267408, 34713523, 42724336, 69427046, 98800027, 138854092, 197600054, 277708184, 395200108, 555416368, 790400216, 1284400351, 1580800432, 2568800702, 5137601404, 10275202808, 20550405616]

約数ペア:

[(1, 20550405616), (2, 10275202808), (4, 5137601404), (8, 2568800702), (13, 1580800432), (16, 1284400351), (26, 790400216), (37, 555416368), (52, 395200108), (74, 277708184), (104, 197600054), (148, 138854092), (208, 98800027), (296, 69427046), (481, 42724336), (592, 34713523), (727, 28267408), (962, 21362168), (1454, 14133704), (1924, 10681084), (2908, 7066852), (3673, 5594992), (3848, 5340542), (5816, 3533426), (7346, 2797496), (7696, 2670271), (9451, 2174416), (11632, 1766713), (14692, 1398748), (18902, 1087208), (26899, 763984), (29384, 699374), (37804, 543604), (47749, 430384), (53798, 381992), (58768, 349687), (75608, 271802), (95498, 215192), (107596, 190996), (135901, 151216)]