20565692795

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3132

約数の個数: 64

約数和(自身を含む): 28102090752

約数和(自身を除く): 7536397957

約数列:

[1, 5, 17, 31, 37, 71, 85, 155, 185, 355, 527, 629, 1147, 1207, 2201, 2627, 2635, 2971, 3145, 5735, 6035, 11005, 13135, 14855, 19499, 37417, 44659, 50507, 81437, 92101, 97495, 109927, 187085, 210941, 223295, 252535, 407185, 460505, 549635, 1054705, 1384429, 1565717, 1868759, 3407737, 3585997, 6539171, 6922145, 7804817, 7828585, 9343795, 17038685, 17929985, 32695855, 39024085, 57931529, 111165907, 132681889, 241949327, 289657645, 555829535, 663409445, 1209746635, 4113138559, 20565692795]

約数ペア:

[(1, 20565692795), (5, 4113138559), (17, 1209746635), (31, 663409445), (37, 555829535), (71, 289657645), (85, 241949327), (155, 132681889), (185, 111165907), (355, 57931529), (527, 39024085), (629, 32695855), (1147, 17929985), (1207, 17038685), (2201, 9343795), (2627, 7828585), (2635, 7804817), (2971, 6922145), (3145, 6539171), (5735, 3585997), (6035, 3407737), (11005, 1868759), (13135, 1565717), (14855, 1384429), (19499, 1054705), (37417, 549635), (44659, 460505), (50507, 407185), (81437, 252535), (92101, 223295), (97495, 210941), (109927, 187085)]