20993965740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{13933}}^1$

素因数の和:14720

約数の個数: 144

約数和(自身を含む): 69567222816

約数和(自身を除く): 48573257076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 761, 990, 1522, 1980, 2283, 3044, 3805, 4566, 6849, 7610, 8371, 9132, 11415, 13698, 13933, 15220, 16742, 22830, 25113, 27396, 27866, 33484, 34245, 41799, 41855, 45660, 50226, 55732, 68490, 69665, 75339, 83598, 83710, 100452, 125397, 125565, 136980, 139330, 150678, 153263, 167196, 167420, 208995, 250794, 251130, 278660, 301356, 306526, 376695, 417990, 459789, 501588, 502260, 613052, 626985, 753390, 766315, 835980, 919578, 1253970, 1379367, 1506780, 1532630, 1839156, 2298945, 2507940, 2758734, 3065260, 4597890, 5517468, 6896835, 9195780, 10603013, 13793670, 21206026, 27587340, 31809039, 42412052, 53015065, 63618078, 95427117, 106030130, 116633143, 127236156, 159045195, 190854234, 212060260, 233266286, 318090390, 349899429, 381708468, 466532572, 477135585, 583165715, 636180780, 699798858, 954271170, 1049698287, 1166331430, 1399597716, 1749497145, 1908542340, 2099396574, 2332662860, 3498994290, 4198793148, 5248491435, 6997988580, 10496982870, 20993965740]

約数ペア:

[(1, 20993965740), (2, 10496982870), (3, 6997988580), (4, 5248491435), (5, 4198793148), (6, 3498994290), (9, 2332662860), (10, 2099396574), (11, 1908542340), (12, 1749497145), (15, 1399597716), (18, 1166331430), (20, 1049698287), (22, 954271170), (30, 699798858), (33, 636180780), (36, 583165715), (44, 477135585), (45, 466532572), (55, 381708468), (60, 349899429), (66, 318090390), (90, 233266286), (99, 212060260), (110, 190854234), (132, 159045195), (165, 127236156), (180, 116633143), (198, 106030130), (220, 95427117), (330, 63618078), (396, 53015065), (495, 42412052), (660, 31809039), (761, 27587340), (990, 21206026), (1522, 13793670), (1980, 10603013), (2283, 9195780), (3044, 6896835), (3805, 5517468), (4566, 4597890), (6849, 3065260), (7610, 2758734), (8371, 2507940), (9132, 2298945), (11415, 1839156), (13698, 1532630), (13933, 1506780), (15220, 1379367), (16742, 1253970), (22830, 919578), (25113, 835980), (27396, 766315), (27866, 753390), (33484, 626985), (34245, 613052), (41799, 502260), (41855, 501588), (45660, 459789), (50226, 417990), (55732, 376695), (68490, 306526), (69665, 301356), (75339, 278660), (83598, 251130), (83710, 250794), (100452, 208995), (125397, 167420), (125565, 167196), (136980, 153263), (139330, 150678)]