20164381872

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2399}}^1\times {\mathrm{4271}}^1$

素因数の和:6722

約数の個数: 80

約数和(自身を含む): 53396582400

約数和(自身を除く): 33232200528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 2399, 4271, 4798, 7197, 8542, 9596, 12813, 14394, 17084, 19192, 25626, 28788, 34168, 38384, 51252, 57576, 68336, 98359, 102504, 115152, 175111, 196718, 205008, 295077, 350222, 393436, 525333, 590154, 700444, 786872, 1050666, 1180308, 1400888, 1573744, 2101332, 2360616, 2801776, 4202664, 4721232, 8405328, 10246129, 20492258, 30738387, 40984516, 61476774, 81969032, 122953548, 163938064, 245907096, 420091289, 491814192, 840182578, 1260273867, 1680365156, 2520547734, 3360730312, 5041095468, 6721460624, 10082190936, 20164381872]

約数ペア:

[(1, 20164381872), (2, 10082190936), (3, 6721460624), (4, 5041095468), (6, 3360730312), (8, 2520547734), (12, 1680365156), (16, 1260273867), (24, 840182578), (41, 491814192), (48, 420091289), (82, 245907096), (123, 163938064), (164, 122953548), (246, 81969032), (328, 61476774), (492, 40984516), (656, 30738387), (984, 20492258), (1968, 10246129), (2399, 8405328), (4271, 4721232), (4798, 4202664), (7197, 2801776), (8542, 2360616), (9596, 2101332), (12813, 1573744), (14394, 1400888), (17084, 1180308), (19192, 1050666), (25626, 786872), (28788, 700444), (34168, 590154), (38384, 525333), (51252, 393436), (57576, 350222), (68336, 295077), (98359, 205008), (102504, 196718), (115152, 175111)]