20121746445

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{4019}}^1$

素因数の和:4195

約数の個数: 96

約数和(自身を含む): 37366318080

約数和(自身を除く): 17244571635

約数列:

[1, 3, 5, 9, 15, 31, 37, 45, 93, 97, 111, 155, 185, 279, 291, 333, 465, 485, 555, 873, 1147, 1395, 1455, 1665, 3007, 3441, 3589, 4019, 4365, 5735, 9021, 10323, 10767, 12057, 15035, 17205, 17945, 20095, 27063, 32301, 36171, 45105, 51615, 53835, 60285, 111259, 124589, 135315, 148703, 161505, 180855, 333777, 373767, 389843, 446109, 556295, 622945, 743515, 1001331, 1121301, 1169529, 1338327, 1668885, 1868835, 1949215, 2230545, 3508587, 4609793, 5006655, 5606505, 5847645, 6691635, 12085133, 13829379, 14424191, 17542935, 23048965, 36255399, 41488137, 43272573, 60425665, 69146895, 72120955, 108766197, 129817719, 181276995, 207440685, 216362865, 447149921, 543830985, 649088595, 1341449763, 2235749605, 4024349289, 6707248815, 20121746445]

約数ペア:

[(1, 20121746445), (3, 6707248815), (5, 4024349289), (9, 2235749605), (15, 1341449763), (31, 649088595), (37, 543830985), (45, 447149921), (93, 216362865), (97, 207440685), (111, 181276995), (155, 129817719), (185, 108766197), (279, 72120955), (291, 69146895), (333, 60425665), (465, 43272573), (485, 41488137), (555, 36255399), (873, 23048965), (1147, 17542935), (1395, 14424191), (1455, 13829379), (1665, 12085133), (3007, 6691635), (3441, 5847645), (3589, 5606505), (4019, 5006655), (4365, 4609793), (5735, 3508587), (9021, 2230545), (10323, 1949215), (10767, 1868835), (12057, 1668885), (15035, 1338327), (17205, 1169529), (17945, 1121301), (20095, 1001331), (27063, 743515), (32301, 622945), (36171, 556295), (45105, 446109), (51615, 389843), (53835, 373767), (60285, 333777), (111259, 180855), (124589, 161505), (135315, 148703)]