20111154

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 28549326

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 109, 138, 161, 191, 218, 322, 327, 382, 483, 573, 654, 763, 966, 1146, 1337, 1526, 2289, 2507, 2674, 4011, 4393, 4578, 5014, 7521, 8022, 8786, 13179, 15042, 17549, 20819, 26358, 30751, 35098, 41638, 52647, 61502, 62457, 92253, 105294, 124914, 145733, 184506, 291466, 437199, 478837, 874398, 957674, 1436511, 2873022, 3351859, 6703718, 10055577, 20111154]

約数ペア:

[(1, 20111154), (2, 10055577), (3, 6703718), (6, 3351859), (7, 2873022), (14, 1436511), (21, 957674), (23, 874398), (42, 478837), (46, 437199), (69, 291466), (109, 184506), (138, 145733), (161, 124914), (191, 105294), (218, 92253), (322, 62457), (327, 61502), (382, 52647), (483, 41638), (573, 35098), (654, 30751), (763, 26358), (966, 20819), (1146, 17549), (1337, 15042), (1526, 13179), (2289, 8786), (2507, 8022), (2674, 7521), (4011, 5014), (4393, 4578)]