20463212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 46824960

約数和(自身を除く): 26361748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 79, 116, 154, 158, 203, 308, 316, 319, 406, 553, 638, 812, 841, 869, 1106, 1276, 1682, 1738, 2212, 2233, 2291, 3364, 3476, 4466, 4582, 5887, 6083, 8932, 9164, 9251, 11774, 12166, 16037, 18502, 23548, 24332, 25201, 32074, 37004, 50402, 64148, 64757, 66439, 100804, 129514, 132878, 176407, 259028, 265756, 352814, 465073, 705628, 730829, 930146, 1461658, 1860292, 2923316, 5115803, 10231606, 20463212]

約数ペア:

[(1, 20463212), (2, 10231606), (4, 5115803), (7, 2923316), (11, 1860292), (14, 1461658), (22, 930146), (28, 730829), (29, 705628), (44, 465073), (58, 352814), (77, 265756), (79, 259028), (116, 176407), (154, 132878), (158, 129514), (203, 100804), (308, 66439), (316, 64757), (319, 64148), (406, 50402), (553, 37004), (638, 32074), (812, 25201), (841, 24332), (869, 23548), (1106, 18502), (1276, 16037), (1682, 12166), (1738, 11774), (2212, 9251), (2233, 9164), (2291, 8932), (3364, 6083), (3476, 5887), (4466, 4582)]