20556031680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{51349}}^1$

素因数の和:51511

約数の個数: 168

約数和(自身を含む): 71214234000

約数和(自身を除く): 50658202320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 139, 144, 160, 180, 192, 240, 278, 288, 320, 360, 417, 480, 556, 576, 695, 720, 834, 960, 1112, 1251, 1390, 1440, 1668, 2085, 2224, 2502, 2780, 2880, 3336, 4170, 4448, 5004, 5560, 6255, 6672, 8340, 8896, 10008, 11120, 12510, 13344, 16680, 20016, 22240, 25020, 26688, 33360, 40032, 44480, 50040, 51349, 66720, 80064, 100080, 102698, 133440, 154047, 200160, 205396, 256745, 308094, 400320, 410792, 462141, 513490, 616188, 770235, 821584, 924282, 1026980, 1232376, 1540470, 1643168, 1848564, 2053960, 2310705, 2464752, 3080940, 3286336, 3697128, 4107920, 4621410, 4929504, 6161880, 7137511, 7394256, 8215840, 9242820, 9859008, 12323760, 14275022, 14788512, 16431680, 18485640, 21412533, 24647520, 28550044, 29577024, 35687555, 36971280, 42825066, 49295040, 57100088, 64237599, 71375110, 73942560, 85650132, 107062665, 114200176, 128475198, 142750220, 147885120, 171300264, 214125330, 228400352, 256950396, 285500440, 321187995, 342600528, 428250660, 456800704, 513900792, 571000880, 642375990, 685201056, 856501320, 1027801584, 1142001760, 1284751980, 1370402112, 1713002640, 2055603168, 2284003520, 2569503960, 3426005280, 4111206336, 5139007920, 6852010560, 10278015840, 20556031680]

約数ペア:

[(1, 20556031680), (2, 10278015840), (3, 6852010560), (4, 5139007920), (5, 4111206336), (6, 3426005280), (8, 2569503960), (9, 2284003520), (10, 2055603168), (12, 1713002640), (15, 1370402112), (16, 1284751980), (18, 1142001760), (20, 1027801584), (24, 856501320), (30, 685201056), (32, 642375990), (36, 571000880), (40, 513900792), (45, 456800704), (48, 428250660), (60, 342600528), (64, 321187995), (72, 285500440), (80, 256950396), (90, 228400352), (96, 214125330), (120, 171300264), (139, 147885120), (144, 142750220), (160, 128475198), (180, 114200176), (192, 107062665), (240, 85650132), (278, 73942560), (288, 71375110), (320, 64237599), (360, 57100088), (417, 49295040), (480, 42825066), (556, 36971280), (576, 35687555), (695, 29577024), (720, 28550044), (834, 24647520), (960, 21412533), (1112, 18485640), (1251, 16431680), (1390, 14788512), (1440, 14275022), (1668, 12323760), (2085, 9859008), (2224, 9242820), (2502, 8215840), (2780, 7394256), (2880, 7137511), (3336, 6161880), (4170, 4929504), (4448, 4621410), (5004, 4107920), (5560, 3697128), (6255, 3286336), (6672, 3080940), (8340, 2464752), (8896, 2310705), (10008, 2053960), (11120, 1848564), (12510, 1643168), (13344, 1540470), (16680, 1232376), (20016, 1026980), (22240, 924282), (25020, 821584), (26688, 770235), (33360, 616188), (40032, 513490), (44480, 462141), (50040, 410792), (51349, 400320), (66720, 308094), (80064, 256745), (100080, 205396), (102698, 200160), (133440, 154047)]