20165397705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{11933}}^1$

素因数の和:12055

約数の個数: 72

約数和(自身を含む): 37816793352

約数和(自身を除く): 17651395647

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 799, 2115, 2209, 2397, 3995, 6627, 7191, 11045, 11933, 11985, 19881, 33135, 35799, 35955, 37553, 59665, 99405, 107397, 112659, 178995, 187765, 202861, 337977, 536985, 560851, 563295, 608583, 1014305, 1682553, 1689885, 1825749, 2804255, 3042915, 5047659, 8412765, 9128745, 9534467, 25238295, 26359997, 28603401, 47672335, 79079991, 85810203, 131799985, 143017005, 237239973, 395399955, 429051015, 448119949, 1186199865, 1344359847, 2240599745, 4033079541, 6721799235, 20165397705]

約数ペア:

[(1, 20165397705), (3, 6721799235), (5, 4033079541), (9, 2240599745), (15, 1344359847), (17, 1186199865), (45, 448119949), (47, 429051015), (51, 395399955), (85, 237239973), (141, 143017005), (153, 131799985), (235, 85810203), (255, 79079991), (423, 47672335), (705, 28603401), (765, 26359997), (799, 25238295), (2115, 9534467), (2209, 9128745), (2397, 8412765), (3995, 5047659), (6627, 3042915), (7191, 2804255), (11045, 1825749), (11933, 1689885), (11985, 1682553), (19881, 1014305), (33135, 608583), (35799, 563295), (35955, 560851), (37553, 536985), (59665, 337977), (99405, 202861), (107397, 187765), (112659, 178995)]