20409815772

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{541}}^1\times {\mathrm{15641}}^1$

素因数の和:16259

約数の個数: 72

約数和(自身を含む): 52461641232

約数和(自身を除く): 32051825460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 541, 603, 804, 1082, 1206, 1623, 2164, 2412, 3246, 4869, 6492, 9738, 15641, 19476, 31282, 36247, 46923, 62564, 72494, 93846, 108741, 140769, 144988, 187692, 217482, 281538, 326223, 434964, 563076, 652446, 1047947, 1304892, 2095894, 3143841, 4191788, 6287682, 8461781, 9431523, 12575364, 16923562, 18863046, 25385343, 33847124, 37726092, 50770686, 76156029, 101541372, 152312058, 304624116, 566939327, 1133878654, 1700817981, 2267757308, 3401635962, 5102453943, 6803271924, 10204907886, 20409815772]

約数ペア:

[(1, 20409815772), (2, 10204907886), (3, 6803271924), (4, 5102453943), (6, 3401635962), (9, 2267757308), (12, 1700817981), (18, 1133878654), (36, 566939327), (67, 304624116), (134, 152312058), (201, 101541372), (268, 76156029), (402, 50770686), (541, 37726092), (603, 33847124), (804, 25385343), (1082, 18863046), (1206, 16923562), (1623, 12575364), (2164, 9431523), (2412, 8461781), (3246, 6287682), (4869, 4191788), (6492, 3143841), (9738, 2095894), (15641, 1304892), (19476, 1047947), (31282, 652446), (36247, 563076), (46923, 434964), (62564, 326223), (72494, 281538), (93846, 217482), (108741, 187692), (140769, 144988)]