20323065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 39997440

約数和(自身を除く): 19674375

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 167, 183, 285, 305, 399, 427, 501, 665, 835, 915, 1159, 1169, 1281, 1995, 2135, 2505, 3173, 3477, 3507, 5795, 5845, 6405, 8113, 9519, 10187, 15865, 17385, 17535, 22211, 24339, 30561, 40565, 47595, 50935, 66633, 71309, 111055, 121695, 152805, 193553, 213927, 333165, 356545, 580659, 967765, 1069635, 1354871, 2903295, 4064613, 6774355, 20323065]

約数ペア:

[(1, 20323065), (3, 6774355), (5, 4064613), (7, 2903295), (15, 1354871), (19, 1069635), (21, 967765), (35, 580659), (57, 356545), (61, 333165), (95, 213927), (105, 193553), (133, 152805), (167, 121695), (183, 111055), (285, 71309), (305, 66633), (399, 50935), (427, 47595), (501, 40565), (665, 30561), (835, 24339), (915, 22211), (1159, 17535), (1169, 17385), (1281, 15865), (1995, 10187), (2135, 9519), (2505, 8113), (3173, 6405), (3477, 5845), (3507, 5795)]