20196990968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2749}}^1\times {\mathrm{11927}}^1$

素因数の和:14700

約数の個数: 64

約数和(自身を含む): 47234880000

約数和(自身を除く): 27037889032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 2749, 5498, 10996, 11927, 19243, 21992, 23854, 30239, 38486, 47708, 60478, 76972, 83489, 95416, 120956, 131197, 153944, 166978, 211673, 241912, 262394, 333956, 423346, 524788, 667912, 846692, 918379, 1049576, 1693384, 1836758, 3673516, 7347032, 32787323, 65574646, 131149292, 229511261, 262298584, 360660553, 459022522, 721321106, 918045044, 1442642212, 1836090088, 2524623871, 2885284424, 5049247742, 10098495484, 20196990968]

約数ペア:

[(1, 20196990968), (2, 10098495484), (4, 5049247742), (7, 2885284424), (8, 2524623871), (11, 1836090088), (14, 1442642212), (22, 918045044), (28, 721321106), (44, 459022522), (56, 360660553), (77, 262298584), (88, 229511261), (154, 131149292), (308, 65574646), (616, 32787323), (2749, 7347032), (5498, 3673516), (10996, 1836758), (11927, 1693384), (19243, 1049576), (21992, 918379), (23854, 846692), (30239, 667912), (38486, 524788), (47708, 423346), (60478, 333956), (76972, 262394), (83489, 241912), (95416, 211673), (120956, 166978), (131197, 153944)]