20454927474940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8431}}^1\times {\mathrm{912089}}^1$

素因数の和:920555

約数の個数: 96

約数和(自身を含む): 51681792153600

約数和(自身を除く): 31226864678660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 8431, 16862, 33724, 42155, 59017, 84310, 118034, 160189, 168620, 236068, 295085, 320378, 590170, 640756, 800945, 912089, 1121323, 1180340, 1601890, 1824178, 2242646, 3203780, 3648356, 4485292, 4560445, 5606615, 6384623, 9120890, 11213230, 12769246, 17329691, 18241780, 22426460, 25538492, 31923115, 34659382, 63846230, 69318764, 86648455, 121307837, 127692460, 173296910, 242615674, 346593820, 485231348, 606539185, 1213078370, 2426156740, 7689822359, 15379644718, 30759289436, 38449111795, 53828756513, 76898223590, 107657513026, 146106624821, 153796447180, 215315026052, 269143782565, 292213249642, 538287565130, 584426499284, 730533124105, 1022746373747, 1076575130260, 1461066248210, 2045492747494, 2922132496420, 4090985494988, 5113731868735, 10227463737470, 20454927474940]

約数ペア:

[(1, 20454927474940), (2, 10227463737470), (4, 5113731868735), (5, 4090985494988), (7, 2922132496420), (10, 2045492747494), (14, 1461066248210), (19, 1076575130260), (20, 1022746373747), (28, 730533124105), (35, 584426499284), (38, 538287565130), (70, 292213249642), (76, 269143782565), (95, 215315026052), (133, 153796447180), (140, 146106624821), (190, 107657513026), (266, 76898223590), (380, 53828756513), (532, 38449111795), (665, 30759289436), (1330, 15379644718), (2660, 7689822359), (8431, 2426156740), (16862, 1213078370), (33724, 606539185), (42155, 485231348), (59017, 346593820), (84310, 242615674), (118034, 173296910), (160189, 127692460), (168620, 121307837), (236068, 86648455), (295085, 69318764), (320378, 63846230), (590170, 34659382), (640756, 31923115), (800945, 25538492), (912089, 22426460), (1121323, 18241780), (1180340, 17329691), (1601890, 12769246), (1824178, 11213230), (2242646, 9120890), (3203780, 6384623), (3648356, 5606615), (4485292, 4560445)]