20786692012

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1\times {\mathrm{4127}}^1$

素因数の和:4582

約数の個数: 48

約数和(自身を含む): 37948538880

約数和(自身を除く): 17161846868

約数列:

[1, 2, 4, 31, 62, 124, 151, 269, 302, 538, 604, 1076, 4127, 4681, 8254, 8339, 9362, 16508, 16678, 18724, 33356, 40619, 81238, 127937, 162476, 255874, 511748, 623177, 1110163, 1246354, 1259189, 2220326, 2492708, 2518378, 4440652, 5036756, 19318487, 34415053, 38636974, 68830106, 77273948, 137660212, 167634613, 335269226, 670538452, 5196673003, 10393346006, 20786692012]

約数ペア:

[(1, 20786692012), (2, 10393346006), (4, 5196673003), (31, 670538452), (62, 335269226), (124, 167634613), (151, 137660212), (269, 77273948), (302, 68830106), (538, 38636974), (604, 34415053), (1076, 19318487), (4127, 5036756), (4681, 4440652), (8254, 2518378), (8339, 2492708), (9362, 2220326), (16508, 1259189), (16678, 1246354), (18724, 1110163), (33356, 623177), (40619, 511748), (81238, 255874), (127937, 162476)]