20451142368

素因数分解:

$2^5\times 3^2\times {\mathrm{179}}^1\times {\mathrm{396709}}^1$

素因数の和:396904

約数の個数: 72

約数和(自身を含む): 58482988200

約数和(自身を除く): 38031845832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 179, 288, 358, 537, 716, 1074, 1432, 1611, 2148, 2864, 3222, 4296, 5728, 6444, 8592, 12888, 17184, 25776, 51552, 396709, 793418, 1190127, 1586836, 2380254, 3173672, 3570381, 4760508, 6347344, 7140762, 9521016, 12694688, 14281524, 19042032, 28563048, 38084064, 57126096, 71010911, 114252192, 142021822, 213032733, 284043644, 426065466, 568087288, 639098199, 852130932, 1136174576, 1278196398, 1704261864, 2272349152, 2556392796, 3408523728, 5112785592, 6817047456, 10225571184, 20451142368]

約数ペア:

[(1, 20451142368), (2, 10225571184), (3, 6817047456), (4, 5112785592), (6, 3408523728), (8, 2556392796), (9, 2272349152), (12, 1704261864), (16, 1278196398), (18, 1136174576), (24, 852130932), (32, 639098199), (36, 568087288), (48, 426065466), (72, 284043644), (96, 213032733), (144, 142021822), (179, 114252192), (288, 71010911), (358, 57126096), (537, 38084064), (716, 28563048), (1074, 19042032), (1432, 14281524), (1611, 12694688), (2148, 9521016), (2864, 7140762), (3222, 6347344), (4296, 4760508), (5728, 3570381), (6444, 3173672), (8592, 2380254), (12888, 1586836), (17184, 1190127), (25776, 793418), (51552, 396709)]