20121520276

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6761}}^1$

素因数の和:6854

約数の個数: 96

約数和(自身を含む): 42686937216

約数和(自身を除く): 22565416940

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 121, 143, 172, 242, 286, 473, 484, 559, 572, 946, 1118, 1331, 1573, 1892, 2236, 2662, 3146, 5203, 5324, 6149, 6292, 6761, 10406, 12298, 13522, 17303, 20812, 24596, 27044, 34606, 57233, 67639, 69212, 74371, 87893, 114466, 135278, 148742, 175786, 228932, 270556, 290723, 297484, 351572, 581446, 744029, 818081, 966823, 1162892, 1488058, 1636162, 1933646, 2976116, 3197953, 3272324, 3779399, 3867292, 6395906, 7558798, 8998891, 10635053, 12791812, 15117596, 17997782, 21270106, 35177483, 35995564, 41573389, 42540212, 70354966, 83146778, 116985583, 140709932, 166293556, 233971166, 386952313, 457307279, 467942332, 773904626, 914614558, 1547809252, 1829229116, 5030380069, 10060760138, 20121520276]

約数ペア:

[(1, 20121520276), (2, 10060760138), (4, 5030380069), (11, 1829229116), (13, 1547809252), (22, 914614558), (26, 773904626), (43, 467942332), (44, 457307279), (52, 386952313), (86, 233971166), (121, 166293556), (143, 140709932), (172, 116985583), (242, 83146778), (286, 70354966), (473, 42540212), (484, 41573389), (559, 35995564), (572, 35177483), (946, 21270106), (1118, 17997782), (1331, 15117596), (1573, 12791812), (1892, 10635053), (2236, 8998891), (2662, 7558798), (3146, 6395906), (5203, 3867292), (5324, 3779399), (6149, 3272324), (6292, 3197953), (6761, 2976116), (10406, 1933646), (12298, 1636162), (13522, 1488058), (17303, 1162892), (20812, 966823), (24596, 818081), (27044, 744029), (34606, 581446), (57233, 351572), (67639, 297484), (69212, 290723), (74371, 270556), (87893, 228932), (114466, 175786), (135278, 148742)]