20223848720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{32257}}^1$

素因数の和:32748

約数の個数: 80

約数和(自身を含む): 49895900208

約数和(自身を除く): 29672051488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 461, 680, 922, 1360, 1844, 2305, 3688, 4610, 7376, 7837, 9220, 15674, 18440, 31348, 32257, 36880, 39185, 62696, 64514, 78370, 125392, 129028, 156740, 161285, 258056, 313480, 322570, 516112, 548369, 626960, 645140, 1096738, 1290280, 2193476, 2580560, 2741845, 4386952, 5483690, 8773904, 10967380, 14870477, 21934760, 29740954, 43869520, 59481908, 74352385, 118963816, 148704770, 237927632, 252798109, 297409540, 505596218, 594819080, 1011192436, 1189638160, 1263990545, 2022384872, 2527981090, 4044769744, 5055962180, 10111924360, 20223848720]

約数ペア:

[(1, 20223848720), (2, 10111924360), (4, 5055962180), (5, 4044769744), (8, 2527981090), (10, 2022384872), (16, 1263990545), (17, 1189638160), (20, 1011192436), (34, 594819080), (40, 505596218), (68, 297409540), (80, 252798109), (85, 237927632), (136, 148704770), (170, 118963816), (272, 74352385), (340, 59481908), (461, 43869520), (680, 29740954), (922, 21934760), (1360, 14870477), (1844, 10967380), (2305, 8773904), (3688, 5483690), (4610, 4386952), (7376, 2741845), (7837, 2580560), (9220, 2193476), (15674, 1290280), (18440, 1096738), (31348, 645140), (32257, 626960), (36880, 548369), (39185, 516112), (62696, 322570), (64514, 313480), (78370, 258056), (125392, 161285), (129028, 156740)]