20199063016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{947}}^1\times {\mathrm{1487}}^1$

素因数の和:2614

約数の個数: 64

約数和(自身を含む): 41641620480

約数和(自身を除く): 21442557464

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 947, 1304, 1487, 1793, 1894, 2974, 3586, 3788, 5948, 7172, 7576, 10417, 11896, 14344, 16357, 20834, 32714, 41668, 65428, 83336, 130856, 154361, 242381, 308722, 484762, 617444, 969524, 1234888, 1408189, 1697971, 1939048, 2666191, 2816378, 3395942, 5332382, 5632756, 6791884, 10664764, 11265512, 13583768, 15490079, 21329528, 30980158, 61960316, 123920632, 229534807, 459069614, 918139228, 1836278456, 2524882877, 5049765754, 10099531508, 20199063016]

約数ペア:

[(1, 20199063016), (2, 10099531508), (4, 5049765754), (8, 2524882877), (11, 1836278456), (22, 918139228), (44, 459069614), (88, 229534807), (163, 123920632), (326, 61960316), (652, 30980158), (947, 21329528), (1304, 15490079), (1487, 13583768), (1793, 11265512), (1894, 10664764), (2974, 6791884), (3586, 5632756), (3788, 5332382), (5948, 3395942), (7172, 2816378), (7576, 2666191), (10417, 1939048), (11896, 1697971), (14344, 1408189), (16357, 1234888), (20834, 969524), (32714, 617444), (41668, 484762), (65428, 308722), (83336, 242381), (130856, 154361)]