20218649838

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1\times {\mathrm{1459}}^1$

素因数の和:2657

約数の個数: 64

約数和(自身を含む): 42472684800

約数和(自身を除く): 22254034962

約数列:

[1, 2, 3, 6, 29, 58, 73, 87, 146, 174, 219, 438, 1091, 1459, 2117, 2182, 2918, 3273, 4234, 4377, 6351, 6546, 8754, 12702, 31639, 42311, 63278, 79643, 84622, 94917, 106507, 126933, 159286, 189834, 213014, 238929, 253866, 319521, 477858, 639042, 1591769, 2309647, 3088703, 3183538, 4619294, 4775307, 6177406, 6928941, 9266109, 9550614, 13857882, 18532218, 46161301, 92322602, 116199137, 138483903, 232398274, 276967806, 348597411, 697194822, 3369774973, 6739549946, 10109324919, 20218649838]

約数ペア:

[(1, 20218649838), (2, 10109324919), (3, 6739549946), (6, 3369774973), (29, 697194822), (58, 348597411), (73, 276967806), (87, 232398274), (146, 138483903), (174, 116199137), (219, 92322602), (438, 46161301), (1091, 18532218), (1459, 13857882), (2117, 9550614), (2182, 9266109), (2918, 6928941), (3273, 6177406), (4234, 4775307), (4377, 4619294), (6351, 3183538), (6546, 3088703), (8754, 2309647), (12702, 1591769), (31639, 639042), (42311, 477858), (63278, 319521), (79643, 253866), (84622, 238929), (94917, 213014), (106507, 189834), (126933, 159286)]