20163563973

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1693}}^1\times {\mathrm{2393}}^1$

素因数の和:4178

約数の個数: 48

約数和(自身を含む): 33741227520

約数和(自身を除く): 13577663547

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 1693, 2393, 4977, 5079, 7179, 11851, 15237, 16751, 21537, 35553, 50253, 106659, 133747, 150759, 189047, 401241, 567141, 936229, 1203723, 1323329, 1701423, 2808687, 3969987, 4051349, 8426061, 11909961, 12154047, 28359443, 36462141, 85078329, 255234987, 320056571, 960169713, 2240395997, 2880509139, 6721187991, 20163563973]

約数ペア:

[(1, 20163563973), (3, 6721187991), (7, 2880509139), (9, 2240395997), (21, 960169713), (63, 320056571), (79, 255234987), (237, 85078329), (553, 36462141), (711, 28359443), (1659, 12154047), (1693, 11909961), (2393, 8426061), (4977, 4051349), (5079, 3969987), (7179, 2808687), (11851, 1701423), (15237, 1323329), (16751, 1203723), (21537, 936229), (35553, 567141), (50253, 401241), (106659, 189047), (133747, 150759)]