20194373320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^2\times {\mathrm{3863}}^1$

素因数の和:4103

約数の個数: 96

約数和(自身を含む): 50039881920

約数和(自身を除く): 29845508600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 3863, 4360, 4796, 5995, 7726, 9592, 11881, 11990, 15452, 19315, 23762, 23980, 30904, 38630, 42493, 47524, 47960, 59405, 77260, 84986, 95048, 118810, 130691, 154520, 169972, 212465, 237620, 261382, 339944, 421067, 424930, 475240, 522764, 653455, 842134, 849860, 1045528, 1306910, 1684268, 1699720, 2105335, 2613820, 3368536, 4210670, 4631737, 5227640, 8421340, 9263474, 16842680, 18526948, 23158685, 37053896, 45896303, 46317370, 91792606, 92634740, 183585212, 185269480, 229481515, 367170424, 458963030, 504859333, 917926060, 1009718666, 1835852120, 2019437332, 2524296665, 4038874664, 5048593330, 10097186660, 20194373320]

約数ペア:

[(1, 20194373320), (2, 10097186660), (4, 5048593330), (5, 4038874664), (8, 2524296665), (10, 2019437332), (11, 1835852120), (20, 1009718666), (22, 917926060), (40, 504859333), (44, 458963030), (55, 367170424), (88, 229481515), (109, 185269480), (110, 183585212), (218, 92634740), (220, 91792606), (436, 46317370), (440, 45896303), (545, 37053896), (872, 23158685), (1090, 18526948), (1199, 16842680), (2180, 9263474), (2398, 8421340), (3863, 5227640), (4360, 4631737), (4796, 4210670), (5995, 3368536), (7726, 2613820), (9592, 2105335), (11881, 1699720), (11990, 1684268), (15452, 1306910), (19315, 1045528), (23762, 849860), (23980, 842134), (30904, 653455), (38630, 522764), (42493, 475240), (47524, 424930), (47960, 421067), (59405, 339944), (77260, 261382), (84986, 237620), (95048, 212465), (118810, 169972), (130691, 154520)]