20120853935

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{5647}}^1$

素因数の和:5904

約数の個数: 64

約数和(自身を含む): 30606557184

約数和(自身を除く): 10485703249

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 191, 205, 287, 455, 533, 955, 1337, 1435, 2483, 2665, 3731, 5647, 6685, 7831, 12415, 17381, 18655, 28235, 39155, 39529, 54817, 73411, 86905, 101803, 197645, 231527, 274085, 367055, 509015, 513877, 712621, 1078577, 1157635, 1620689, 2569385, 3009851, 3563105, 5392885, 7550039, 8103445, 14021501, 15049255, 21068957, 37750195, 44221657, 70107505, 98150507, 105344785, 221108285, 309551599, 490752535, 574881541, 1547757995, 2874407705, 4024170787, 20120853935]

約数ペア:

[(1, 20120853935), (5, 4024170787), (7, 2874407705), (13, 1547757995), (35, 574881541), (41, 490752535), (65, 309551599), (91, 221108285), (191, 105344785), (205, 98150507), (287, 70107505), (455, 44221657), (533, 37750195), (955, 21068957), (1337, 15049255), (1435, 14021501), (2483, 8103445), (2665, 7550039), (3731, 5392885), (5647, 3563105), (6685, 3009851), (7831, 2569385), (12415, 1620689), (17381, 1157635), (18655, 1078577), (28235, 712621), (39155, 513877), (39529, 509015), (54817, 367055), (73411, 274085), (86905, 231527), (101803, 197645)]