20194406440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38835397}}^1$

素因数の和:38835421

約数の個数: 32

約数和(自身を含む): 48932601480

約数和(自身を除く): 28738195040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38835397, 77670794, 155341588, 194176985, 310683176, 388353970, 504860161, 776707940, 1009720322, 1553415880, 2019440644, 2524300805, 4038881288, 5048601610, 10097203220, 20194406440]

約数ペア:

[(1, 20194406440), (2, 10097203220), (4, 5048601610), (5, 4038881288), (8, 2524300805), (10, 2019440644), (13, 1553415880), (20, 1009720322), (26, 776707940), (40, 504860161), (52, 388353970), (65, 310683176), (104, 194176985), (130, 155341588), (260, 77670794), (520, 38835397)]