20154995718

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{17159}}^1$

素因数の和:17262

約数の個数: 96

約数和(自身を含む): 48674545920

約数和(自身を除く): 28519550202

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 814, 858, 962, 1221, 1369, 1443, 2442, 2738, 2886, 4107, 5291, 8214, 10582, 15059, 15873, 17159, 17797, 30118, 31746, 34318, 35594, 45177, 51477, 53391, 90354, 102954, 106782, 188749, 195767, 223067, 377498, 391534, 446134, 566247, 587301, 634883, 669201, 1132494, 1174602, 1269766, 1338402, 1904649, 2453737, 3809298, 4907474, 6983713, 7361211, 8253479, 13967426, 14722422, 16506958, 20951139, 23490671, 24760437, 41902278, 46981342, 49520874, 70472013, 90788269, 140944026, 181576538, 258397381, 272364807, 305378723, 516794762, 544729614, 610757446, 775192143, 916136169, 1550384286, 1832272338, 3359165953, 6718331906, 10077497859, 20154995718]

約数ペア:

[(1, 20154995718), (2, 10077497859), (3, 6718331906), (6, 3359165953), (11, 1832272338), (13, 1550384286), (22, 916136169), (26, 775192143), (33, 610757446), (37, 544729614), (39, 516794762), (66, 305378723), (74, 272364807), (78, 258397381), (111, 181576538), (143, 140944026), (222, 90788269), (286, 70472013), (407, 49520874), (429, 46981342), (481, 41902278), (814, 24760437), (858, 23490671), (962, 20951139), (1221, 16506958), (1369, 14722422), (1443, 13967426), (2442, 8253479), (2738, 7361211), (2886, 6983713), (4107, 4907474), (5291, 3809298), (8214, 2453737), (10582, 1904649), (15059, 1338402), (15873, 1269766), (17159, 1174602), (17797, 1132494), (30118, 669201), (31746, 634883), (34318, 587301), (35594, 566247), (45177, 446134), (51477, 391534), (53391, 377498), (90354, 223067), (102954, 195767), (106782, 188749)]