20218880010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1218739}}^1$

素因数の和:1218835

約数の個数: 64

約数和(自身を含む): 56159539200

約数和(自身を除く): 35940659190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1659, 2370, 2765, 3318, 5530, 8295, 16590, 1218739, 2437478, 3656217, 6093695, 7312434, 8531173, 12187390, 17062346, 18281085, 25593519, 36562170, 42655865, 51187038, 85311730, 96280381, 127967595, 192560762, 255935190, 288841143, 481401905, 577682286, 673962667, 962803810, 1347925334, 1444205715, 2021888001, 2888411430, 3369813335, 4043776002, 6739626670, 10109440005, 20218880010]

約数ペア:

[(1, 20218880010), (2, 10109440005), (3, 6739626670), (5, 4043776002), (6, 3369813335), (7, 2888411430), (10, 2021888001), (14, 1444205715), (15, 1347925334), (21, 962803810), (30, 673962667), (35, 577682286), (42, 481401905), (70, 288841143), (79, 255935190), (105, 192560762), (158, 127967595), (210, 96280381), (237, 85311730), (395, 51187038), (474, 42655865), (553, 36562170), (790, 25593519), (1106, 18281085), (1185, 17062346), (1659, 12187390), (2370, 8531173), (2765, 7312434), (3318, 6093695), (5530, 3656217), (8295, 2437478), (16590, 1218739)]