20742832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6203}}^1$

素因数の和:6241

約数の個数: 40

約数和(自身を含む): 46157760

約数和(自身を除く): 25414928

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6203, 12406, 24812, 49624, 68233, 99248, 117857, 136466, 235714, 272932, 471428, 545864, 942856, 1091728, 1296427, 1885712, 2592854, 5185708, 10371416, 20742832]

約数ペア:

[(1, 20742832), (2, 10371416), (4, 5185708), (8, 2592854), (11, 1885712), (16, 1296427), (19, 1091728), (22, 942856), (38, 545864), (44, 471428), (76, 272932), (88, 235714), (152, 136466), (176, 117857), (209, 99248), (304, 68233), (418, 49624), (836, 24812), (1672, 12406), (3344, 6203)]