20675512

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 27587528

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 53, 62, 88, 104, 106, 121, 124, 143, 212, 242, 248, 286, 341, 403, 424, 484, 572, 583, 682, 689, 806, 968, 1144, 1166, 1364, 1378, 1573, 1612, 1643, 2332, 2728, 2756, 3146, 3224, 3286, 3751, 4433, 4664, 5512, 6292, 6413, 6572, 7502, 7579, 8866, 12584, 12826, 13144, 15004, 15158, 17732, 18073, 21359, 25652, 30008, 30316, 35464, 36146, 42718, 48763, 51304, 60632, 72292, 83369, 85436, 97526, 144584, 166738, 170872, 195052, 198803, 234949, 333476, 390104, 397606, 469898, 666952, 795212, 939796, 1590424, 1879592, 2584439, 5168878, 10337756, 20675512]

約数ペア:

[(1, 20675512), (2, 10337756), (4, 5168878), (8, 2584439), (11, 1879592), (13, 1590424), (22, 939796), (26, 795212), (31, 666952), (44, 469898), (52, 397606), (53, 390104), (62, 333476), (88, 234949), (104, 198803), (106, 195052), (121, 170872), (124, 166738), (143, 144584), (212, 97526), (242, 85436), (248, 83369), (286, 72292), (341, 60632), (403, 51304), (424, 48763), (484, 42718), (572, 36146), (583, 35464), (682, 30316), (689, 30008), (806, 25652), (968, 21359), (1144, 18073), (1166, 17732), (1364, 15158), (1378, 15004), (1573, 13144), (1612, 12826), (1643, 12584), (2332, 8866), (2728, 7579), (2756, 7502), (3146, 6572), (3224, 6413), (3286, 6292), (3751, 5512), (4433, 4664)]