20685992142

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1\times {\mathrm{1619}}^1$

素因数の和:2121

約数の個数: 64

約数和(自身を含む): 42578265600

約数和(自身を除く): 21892273458

約数列:

[1, 2, 3, 6, 71, 89, 142, 178, 213, 267, 337, 426, 534, 674, 1011, 1619, 2022, 3238, 4857, 6319, 9714, 12638, 18957, 23927, 29993, 37914, 47854, 59986, 71781, 89979, 114949, 143562, 144091, 179958, 229898, 288182, 344847, 432273, 545603, 689694, 864546, 1091206, 1636809, 2129503, 3273618, 4259006, 6388509, 10230461, 12777018, 20460922, 30691383, 38737813, 48558667, 61382766, 77475626, 97117334, 116213439, 145676001, 232426878, 291352002, 3447665357, 6895330714, 10342996071, 20685992142]

約数ペア:

[(1, 20685992142), (2, 10342996071), (3, 6895330714), (6, 3447665357), (71, 291352002), (89, 232426878), (142, 145676001), (178, 116213439), (213, 97117334), (267, 77475626), (337, 61382766), (426, 48558667), (534, 38737813), (674, 30691383), (1011, 20460922), (1619, 12777018), (2022, 10230461), (3238, 6388509), (4857, 4259006), (6319, 3273618), (9714, 2129503), (12638, 1636809), (18957, 1091206), (23927, 864546), (29993, 689694), (37914, 545603), (47854, 432273), (59986, 344847), (71781, 288182), (89979, 229898), (114949, 179958), (143562, 144091)]