20914560100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1299041}}^1$

素因数の和:1299085

約数の個数: 72

約数和(自身を含む): 54123285888

約数和(自身を除く): 33208725788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 8050, 16100, 1299041, 2598082, 5196164, 6495205, 9093287, 12990410, 18186574, 25980820, 29877943, 32476025, 36373148, 45466435, 59755886, 64952050, 90932870, 119511772, 129904100, 149389715, 181865740, 209145601, 227332175, 298779430, 418291202, 454664350, 597558860, 746948575, 836582404, 909328700, 1045728005, 1493897150, 2091456010, 2987794300, 4182912020, 5228640025, 10457280050, 20914560100]

約数ペア:

[(1, 20914560100), (2, 10457280050), (4, 5228640025), (5, 4182912020), (7, 2987794300), (10, 2091456010), (14, 1493897150), (20, 1045728005), (23, 909328700), (25, 836582404), (28, 746948575), (35, 597558860), (46, 454664350), (50, 418291202), (70, 298779430), (92, 227332175), (100, 209145601), (115, 181865740), (140, 149389715), (161, 129904100), (175, 119511772), (230, 90932870), (322, 64952050), (350, 59755886), (460, 45466435), (575, 36373148), (644, 32476025), (700, 29877943), (805, 25980820), (1150, 18186574), (1610, 12990410), (2300, 9093287), (3220, 6495205), (4025, 5196164), (8050, 2598082), (16100, 1299041)]