20270512

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 40510800

約数和(自身を除く): 20240288

約数列:

[1, 2, 4, 8, 16, 59, 109, 118, 197, 218, 236, 394, 436, 472, 788, 872, 944, 1576, 1744, 3152, 6431, 11623, 12862, 21473, 23246, 25724, 42946, 46492, 51448, 85892, 92984, 102896, 171784, 185968, 343568, 1266907, 2533814, 5067628, 10135256, 20270512]

約数ペア:

[(1, 20270512), (2, 10135256), (4, 5067628), (8, 2533814), (16, 1266907), (59, 343568), (109, 185968), (118, 171784), (197, 102896), (218, 92984), (236, 85892), (394, 51448), (436, 46492), (472, 42946), (788, 25724), (872, 23246), (944, 21473), (1576, 12862), (1744, 11623), (3152, 6431)]