20083834340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{663709}}^1$

素因数の和:663824

約数の個数: 48

約数和(自身を含む): 45158828400

約数和(自身を除く): 25074994060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 663709, 1327418, 2654836, 3318545, 6637090, 11283053, 13274180, 22566106, 45132212, 56415265, 59070101, 112830530, 118140202, 225661060, 236280404, 295350505, 590701010, 1004191717, 1181402020, 2008383434, 4016766868, 5020958585, 10041917170, 20083834340]

約数ペア:

[(1, 20083834340), (2, 10041917170), (4, 5020958585), (5, 4016766868), (10, 2008383434), (17, 1181402020), (20, 1004191717), (34, 590701010), (68, 295350505), (85, 236280404), (89, 225661060), (170, 118140202), (178, 112830530), (340, 59070101), (356, 56415265), (445, 45132212), (890, 22566106), (1513, 13274180), (1780, 11283053), (3026, 6637090), (6052, 3318545), (7565, 2654836), (15130, 1327418), (30260, 663709)]