20616570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 58810752

約数和(自身を除く): 38194182

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 67, 78, 90, 117, 130, 134, 195, 201, 234, 263, 335, 390, 402, 526, 585, 603, 670, 789, 871, 1005, 1170, 1206, 1315, 1578, 1742, 2010, 2367, 2613, 2630, 3015, 3419, 3945, 4355, 4734, 5226, 6030, 6838, 7839, 7890, 8710, 10257, 11835, 13065, 15678, 17095, 17621, 20514, 23670, 26130, 30771, 34190, 35242, 39195, 51285, 52863, 61542, 78390, 88105, 102570, 105726, 153855, 158589, 176210, 229073, 264315, 307710, 317178, 458146, 528630, 687219, 792945, 1145365, 1374438, 1585890, 2061657, 2290730, 3436095, 4123314, 6872190, 10308285, 20616570]

約数ペア:

[(1, 20616570), (2, 10308285), (3, 6872190), (5, 4123314), (6, 3436095), (9, 2290730), (10, 2061657), (13, 1585890), (15, 1374438), (18, 1145365), (26, 792945), (30, 687219), (39, 528630), (45, 458146), (65, 317178), (67, 307710), (78, 264315), (90, 229073), (117, 176210), (130, 158589), (134, 153855), (195, 105726), (201, 102570), (234, 88105), (263, 78390), (335, 61542), (390, 52863), (402, 51285), (526, 39195), (585, 35242), (603, 34190), (670, 30771), (789, 26130), (871, 23670), (1005, 20514), (1170, 17621), (1206, 17095), (1315, 15678), (1578, 13065), (1742, 11835), (2010, 10257), (2367, 8710), (2613, 7890), (2630, 7839), (3015, 6838), (3419, 6030), (3945, 5226), (4355, 4734)]