20740584376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1\times {\mathrm{1093}}^1$

素因数の和:2228

約数の個数: 64

約数和(自身を含む): 41337446400

約数和(自身を除く): 20596862024

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 508, 983, 1016, 1093, 1966, 2186, 2413, 3932, 4372, 4826, 7864, 8744, 9652, 18677, 19304, 20767, 37354, 41534, 74708, 83068, 124841, 138811, 149416, 166136, 249682, 277622, 499364, 555244, 998728, 1074419, 1110488, 2148838, 2371979, 2637409, 4297676, 4743958, 5274818, 8595352, 9487916, 10549636, 18975832, 20413961, 21099272, 40827922, 81655844, 136451213, 163311688, 272902426, 545804852, 1091609704, 2592573047, 5185146094, 10370292188, 20740584376]

約数ペア:

[(1, 20740584376), (2, 10370292188), (4, 5185146094), (8, 2592573047), (19, 1091609704), (38, 545804852), (76, 272902426), (127, 163311688), (152, 136451213), (254, 81655844), (508, 40827922), (983, 21099272), (1016, 20413961), (1093, 18975832), (1966, 10549636), (2186, 9487916), (2413, 8595352), (3932, 5274818), (4372, 4743958), (4826, 4297676), (7864, 2637409), (8744, 2371979), (9652, 2148838), (18677, 1110488), (19304, 1074419), (20767, 998728), (37354, 555244), (41534, 499364), (74708, 277622), (83068, 249682), (124841, 166136), (138811, 149416)]