20126331280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1345343}}^1$

素因数の和:1345384

約数の個数: 80

約数和(自身を含む): 54050540544

約数和(自身を除く): 33924209264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 1345343, 2690686, 5381372, 6726715, 10762744, 13453430, 14798773, 21525488, 22870831, 26906860, 29597546, 45741662, 53813720, 59195092, 73993865, 91483324, 107627440, 114354155, 118390184, 147987730, 182966648, 228708310, 236780368, 251579141, 295975460, 365933296, 457416620, 503158282, 591950920, 914833240, 1006316564, 1183901840, 1257895705, 1829666480, 2012633128, 2515791410, 4025266256, 5031582820, 10063165640, 20126331280]

約数ペア:

[(1, 20126331280), (2, 10063165640), (4, 5031582820), (5, 4025266256), (8, 2515791410), (10, 2012633128), (11, 1829666480), (16, 1257895705), (17, 1183901840), (20, 1006316564), (22, 914833240), (34, 591950920), (40, 503158282), (44, 457416620), (55, 365933296), (68, 295975460), (80, 251579141), (85, 236780368), (88, 228708310), (110, 182966648), (136, 147987730), (170, 118390184), (176, 114354155), (187, 107627440), (220, 91483324), (272, 73993865), (340, 59195092), (374, 53813720), (440, 45741662), (680, 29597546), (748, 26906860), (880, 22870831), (935, 21525488), (1360, 14798773), (1496, 13453430), (1870, 10762744), (2992, 6726715), (3740, 5381372), (7480, 2690686), (14960, 1345343)]