20488152060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4948829}}^1$

素因数の和:4948867

約数の個数: 72

約数和(自身を含む): 64849468320

約数和(自身を除く): 44361316260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4948829, 9897658, 14846487, 19795316, 24744145, 29692974, 44539461, 49488290, 59385948, 74232435, 89078922, 98976580, 113823067, 148464870, 178157844, 222697305, 227646134, 296929740, 341469201, 445394610, 455292268, 569115335, 682938402, 890789220, 1024407603, 1138230670, 1365876804, 1707346005, 2048815206, 2276461340, 3414692010, 4097630412, 5122038015, 6829384020, 10244076030, 20488152060]

約数ペア:

[(1, 20488152060), (2, 10244076030), (3, 6829384020), (4, 5122038015), (5, 4097630412), (6, 3414692010), (9, 2276461340), (10, 2048815206), (12, 1707346005), (15, 1365876804), (18, 1138230670), (20, 1024407603), (23, 890789220), (30, 682938402), (36, 569115335), (45, 455292268), (46, 445394610), (60, 341469201), (69, 296929740), (90, 227646134), (92, 222697305), (115, 178157844), (138, 148464870), (180, 113823067), (207, 98976580), (230, 89078922), (276, 74232435), (345, 59385948), (414, 49488290), (460, 44539461), (690, 29692974), (828, 24744145), (1035, 19795316), (1380, 14846487), (2070, 9897658), (4140, 4948829)]