20165123240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29654593}}^1$

素因数の和:29654621

約数の個数: 32

約数和(自身を含む): 48040442280

約数和(自身を除く): 27875319040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29654593, 59309186, 118618372, 148272965, 237236744, 296545930, 504128081, 593091860, 1008256162, 1186183720, 2016512324, 2520640405, 4033024648, 5041280810, 10082561620, 20165123240]

約数ペア:

[(1, 20165123240), (2, 10082561620), (4, 5041280810), (5, 4033024648), (8, 2520640405), (10, 2016512324), (17, 1186183720), (20, 1008256162), (34, 593091860), (40, 504128081), (68, 296545930), (85, 237236744), (136, 148272965), (170, 118618372), (340, 59309186), (680, 29654593)]