20804557680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1520801}}^1$

素因数の和:1520839

約数の個数: 120

約数和(自身を含む): 73545984720

約数和(自身を除く): 52741427040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 1520801, 3041602, 4562403, 6083204, 7604005, 9124806, 12166408, 13687209, 15208010, 18249612, 22812015, 24332816, 27374418, 28895219, 30416020, 36499224, 45624030, 54748836, 57790438, 60832040, 68436045, 72998448, 86685657, 91248060, 109497672, 115580876, 121664080, 136872090, 144476095, 173371314, 182496120, 218995344, 231161752, 260056971, 273744180, 288952190, 346742628, 364992240, 433428285, 462323504, 520113942, 547488360, 577904380, 693485256, 866856570, 1040227884, 1094976720, 1155808760, 1300284855, 1386970512, 1733713140, 2080455768, 2311617520, 2600569710, 3467426280, 4160911536, 5201139420, 6934852560, 10402278840, 20804557680]

約数ペア:

[(1, 20804557680), (2, 10402278840), (3, 6934852560), (4, 5201139420), (5, 4160911536), (6, 3467426280), (8, 2600569710), (9, 2311617520), (10, 2080455768), (12, 1733713140), (15, 1386970512), (16, 1300284855), (18, 1155808760), (19, 1094976720), (20, 1040227884), (24, 866856570), (30, 693485256), (36, 577904380), (38, 547488360), (40, 520113942), (45, 462323504), (48, 433428285), (57, 364992240), (60, 346742628), (72, 288952190), (76, 273744180), (80, 260056971), (90, 231161752), (95, 218995344), (114, 182496120), (120, 173371314), (144, 144476095), (152, 136872090), (171, 121664080), (180, 115580876), (190, 109497672), (228, 91248060), (240, 86685657), (285, 72998448), (304, 68436045), (342, 60832040), (360, 57790438), (380, 54748836), (456, 45624030), (570, 36499224), (684, 30416020), (720, 28895219), (760, 27374418), (855, 24332816), (912, 22812015), (1140, 18249612), (1368, 15208010), (1520, 13687209), (1710, 12166408), (2280, 9124806), (2736, 7604005), (3420, 6083204), (4560, 4562403), (6840, 3041602), (13680, 1520801)]