20203570520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{4967}}^1$

素因数の和:5257

約数の個数: 128

約数和(自身を含む): 52939008000

約数和(自身を除く): 32735437480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 199, 280, 292, 365, 398, 511, 584, 730, 796, 995, 1022, 1393, 1460, 1592, 1990, 2044, 2555, 2786, 2920, 3980, 4088, 4967, 5110, 5572, 6965, 7960, 9934, 10220, 11144, 13930, 14527, 19868, 20440, 24835, 27860, 29054, 34769, 39736, 49670, 55720, 58108, 69538, 72635, 99340, 101689, 116216, 139076, 145270, 173845, 198680, 203378, 278152, 290540, 347690, 362591, 406756, 508445, 581080, 695380, 725182, 813512, 988433, 1016890, 1390760, 1450364, 1812955, 1976866, 2033780, 2538137, 2900728, 3625910, 3953732, 4067560, 4942165, 5076274, 6919031, 7251820, 7907464, 9884330, 10152548, 12690685, 13838062, 14503640, 19768660, 20305096, 25381370, 27676124, 34595155, 39537320, 50762740, 55352248, 69190310, 72155609, 101525480, 138380620, 144311218, 276761240, 288622436, 360778045, 505089263, 577244872, 721556090, 1010178526, 1443112180, 2020357052, 2525446315, 2886224360, 4040714104, 5050892630, 10101785260, 20203570520]

約数ペア:

[(1, 20203570520), (2, 10101785260), (4, 5050892630), (5, 4040714104), (7, 2886224360), (8, 2525446315), (10, 2020357052), (14, 1443112180), (20, 1010178526), (28, 721556090), (35, 577244872), (40, 505089263), (56, 360778045), (70, 288622436), (73, 276761240), (140, 144311218), (146, 138380620), (199, 101525480), (280, 72155609), (292, 69190310), (365, 55352248), (398, 50762740), (511, 39537320), (584, 34595155), (730, 27676124), (796, 25381370), (995, 20305096), (1022, 19768660), (1393, 14503640), (1460, 13838062), (1592, 12690685), (1990, 10152548), (2044, 9884330), (2555, 7907464), (2786, 7251820), (2920, 6919031), (3980, 5076274), (4088, 4942165), (4967, 4067560), (5110, 3953732), (5572, 3625910), (6965, 2900728), (7960, 2538137), (9934, 2033780), (10220, 1976866), (11144, 1812955), (13930, 1450364), (14527, 1390760), (19868, 1016890), (20440, 988433), (24835, 813512), (27860, 725182), (29054, 695380), (34769, 581080), (39736, 508445), (49670, 406756), (55720, 362591), (58108, 347690), (69538, 290540), (72635, 278152), (99340, 203378), (101689, 198680), (116216, 173845), (139076, 145270)]