20197617860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4653829}}^1$

素因数の和:4653876

約数の個数: 48

約数和(自身を含む): 50037980160

約数和(自身を除く): 29840362300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4653829, 9307658, 18615316, 23269145, 32576803, 46538290, 65153606, 93076580, 130307212, 144268699, 162884015, 288537398, 325768030, 577074796, 651536060, 721343495, 1009880893, 1442686990, 2019761786, 2885373980, 4039523572, 5049404465, 10098808930, 20197617860]

約数ペア:

[(1, 20197617860), (2, 10098808930), (4, 5049404465), (5, 4039523572), (7, 2885373980), (10, 2019761786), (14, 1442686990), (20, 1009880893), (28, 721343495), (31, 651536060), (35, 577074796), (62, 325768030), (70, 288537398), (124, 162884015), (140, 144268699), (155, 130307212), (217, 93076580), (310, 65153606), (434, 46538290), (620, 32576803), (868, 23269145), (1085, 18615316), (2170, 9307658), (4340, 4653829)]