20512177020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{77999}}^1$

素因数の和:78504

約数の個数: 96

約数和(自身を含む): 63947520000

約数和(自身を除く): 43435342980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 487, 540, 974, 1461, 1948, 2435, 2922, 4383, 4870, 5844, 7305, 8766, 9740, 13149, 14610, 17532, 21915, 26298, 29220, 43830, 52596, 65745, 77999, 87660, 131490, 155998, 233997, 262980, 311996, 389995, 467994, 701991, 779990, 935988, 1169985, 1403982, 1559980, 2105973, 2339970, 2807964, 3509955, 4211946, 4679940, 7019910, 8423892, 10529865, 14039820, 21059730, 37985513, 42119460, 75971026, 113956539, 151942052, 189927565, 227913078, 341869617, 379855130, 455826156, 569782695, 683739234, 759710260, 1025608851, 1139565390, 1367478468, 1709348085, 2051217702, 2279130780, 3418696170, 4102435404, 5128044255, 6837392340, 10256088510, 20512177020]

約数ペア:

[(1, 20512177020), (2, 10256088510), (3, 6837392340), (4, 5128044255), (5, 4102435404), (6, 3418696170), (9, 2279130780), (10, 2051217702), (12, 1709348085), (15, 1367478468), (18, 1139565390), (20, 1025608851), (27, 759710260), (30, 683739234), (36, 569782695), (45, 455826156), (54, 379855130), (60, 341869617), (90, 227913078), (108, 189927565), (135, 151942052), (180, 113956539), (270, 75971026), (487, 42119460), (540, 37985513), (974, 21059730), (1461, 14039820), (1948, 10529865), (2435, 8423892), (2922, 7019910), (4383, 4679940), (4870, 4211946), (5844, 3509955), (7305, 2807964), (8766, 2339970), (9740, 2105973), (13149, 1559980), (14610, 1403982), (17532, 1169985), (21915, 935988), (26298, 779990), (29220, 701991), (43830, 467994), (52596, 389995), (65745, 311996), (77999, 262980), (87660, 233997), (131490, 155998)]