20169941128

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1\times {\mathrm{1249}}^1$

素因数の和:1994

約数の個数: 64

約数和(自身を含む): 39372750000

約数和(自身を除く): 19202808872

約数列:

[1, 2, 4, 8, 37, 74, 89, 148, 178, 296, 356, 613, 712, 1226, 1249, 2452, 2498, 3293, 4904, 4996, 6586, 9992, 13172, 22681, 26344, 45362, 46213, 54557, 90724, 92426, 109114, 111161, 181448, 184852, 218228, 222322, 369704, 436456, 444644, 765637, 889288, 1531274, 2018609, 3062548, 4037218, 4112957, 6125096, 8074436, 8225914, 16148872, 16451828, 28328569, 32903656, 56657138, 68141693, 113314276, 136283386, 226628552, 272566772, 545133544, 2521242641, 5042485282, 10084970564, 20169941128]

約数ペア:

[(1, 20169941128), (2, 10084970564), (4, 5042485282), (8, 2521242641), (37, 545133544), (74, 272566772), (89, 226628552), (148, 136283386), (178, 113314276), (296, 68141693), (356, 56657138), (613, 32903656), (712, 28328569), (1226, 16451828), (1249, 16148872), (2452, 8225914), (2498, 8074436), (3293, 6125096), (4904, 4112957), (4996, 4037218), (6586, 3062548), (9992, 2018609), (13172, 1531274), (22681, 889288), (26344, 765637), (45362, 444644), (46213, 436456), (54557, 369704), (90724, 222322), (92426, 218228), (109114, 184852), (111161, 181448)]