20194108688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{210601}}^1$

素因数の和:211083

約数の個数: 40

約数和(自身を含む): 42227385816

約数和(自身を除く): 22033277128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 461, 922, 1844, 3688, 5993, 7376, 11986, 23972, 47944, 95888, 210601, 421202, 842404, 1684808, 2737813, 3369616, 5475626, 10951252, 21902504, 43805008, 97087061, 194174122, 388348244, 776696488, 1262131793, 1553392976, 2524263586, 5048527172, 10097054344, 20194108688]

約数ペア:

[(1, 20194108688), (2, 10097054344), (4, 5048527172), (8, 2524263586), (13, 1553392976), (16, 1262131793), (26, 776696488), (52, 388348244), (104, 194174122), (208, 97087061), (461, 43805008), (922, 21902504), (1844, 10951252), (3688, 5475626), (5993, 3369616), (7376, 2737813), (11986, 1684808), (23972, 842404), (47944, 421202), (95888, 210601)]