20464048395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{4919}}^1$

素因数の和:5265

約数の個数: 96

約数和(自身を含む): 41556602880

約数和(自身を除く): 21092554485

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 281, 315, 329, 423, 705, 843, 987, 1405, 1645, 1967, 2115, 2529, 2961, 4215, 4919, 4935, 5901, 9835, 12645, 13207, 14757, 14805, 17703, 24595, 29505, 34433, 39621, 44271, 66035, 73785, 88515, 92449, 103299, 118863, 172165, 198105, 221355, 231193, 277347, 309897, 462245, 516495, 594315, 693579, 832041, 1155965, 1382239, 1386735, 1549485, 1618351, 2080737, 3467895, 4146717, 4160205, 4855053, 6911195, 8091755, 9675673, 10403685, 12440151, 14565159, 20733585, 24275265, 29027019, 48378365, 62200755, 64965233, 72825795, 87081057, 145135095, 194895699, 324826165, 435405285, 454756631, 584687097, 974478495, 1364269893, 2273783155, 2923435485, 4092809679, 6821349465, 20464048395]

約数ペア:

[(1, 20464048395), (3, 6821349465), (5, 4092809679), (7, 2923435485), (9, 2273783155), (15, 1364269893), (21, 974478495), (35, 584687097), (45, 454756631), (47, 435405285), (63, 324826165), (105, 194895699), (141, 145135095), (235, 87081057), (281, 72825795), (315, 64965233), (329, 62200755), (423, 48378365), (705, 29027019), (843, 24275265), (987, 20733585), (1405, 14565159), (1645, 12440151), (1967, 10403685), (2115, 9675673), (2529, 8091755), (2961, 6911195), (4215, 4855053), (4919, 4160205), (4935, 4146717), (5901, 3467895), (9835, 2080737), (12645, 1618351), (13207, 1549485), (14757, 1386735), (14805, 1382239), (17703, 1155965), (24595, 832041), (29505, 693579), (34433, 594315), (39621, 516495), (44271, 462245), (66035, 309897), (73785, 277347), (88515, 231193), (92449, 221355), (103299, 198105), (118863, 172165)]