20996870504

素因数分解:

$2^3\times {\mathrm{53}}^2\times {\mathrm{241}}^1\times {\mathrm{3877}}^1$

素因数の和:4230

約数の個数: 48

約数和(自身を含む): 40302851820

約数和(自身を除く): 19305981316

約数列:

[1, 2, 4, 8, 53, 106, 212, 241, 424, 482, 964, 1928, 2809, 3877, 5618, 7754, 11236, 12773, 15508, 22472, 25546, 31016, 51092, 102184, 205481, 410962, 676969, 821924, 934357, 1353938, 1643848, 1868714, 2707876, 3737428, 5415752, 7474856, 10890493, 21780986, 43561972, 49520921, 87123944, 99041842, 198083684, 396167368, 2624608813, 5249217626, 10498435252, 20996870504]

約数ペア:

[(1, 20996870504), (2, 10498435252), (4, 5249217626), (8, 2624608813), (53, 396167368), (106, 198083684), (212, 99041842), (241, 87123944), (424, 49520921), (482, 43561972), (964, 21780986), (1928, 10890493), (2809, 7474856), (3877, 5415752), (5618, 3737428), (7754, 2707876), (11236, 1868714), (12773, 1643848), (15508, 1353938), (22472, 934357), (25546, 821924), (31016, 676969), (51092, 410962), (102184, 205481)]