20143040

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3313}}^1$

素因数の和:3349

約数の個数: 56

約数和(自身を含む): 50505360

約数和(自身を除く): 30362320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3313, 6080, 6626, 13252, 16565, 26504, 33130, 53008, 62947, 66260, 106016, 125894, 132520, 212032, 251788, 265040, 314735, 503576, 530080, 629470, 1007152, 1060160, 1258940, 2014304, 2517880, 4028608, 5035760, 10071520, 20143040]

約数ペア:

[(1, 20143040), (2, 10071520), (4, 5035760), (5, 4028608), (8, 2517880), (10, 2014304), (16, 1258940), (19, 1060160), (20, 1007152), (32, 629470), (38, 530080), (40, 503576), (64, 314735), (76, 265040), (80, 251788), (95, 212032), (152, 132520), (160, 125894), (190, 106016), (304, 66260), (320, 62947), (380, 53008), (608, 33130), (760, 26504), (1216, 16565), (1520, 13252), (3040, 6626), (3313, 6080)]