20722984555

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{4919}}^1$

素因数の和:5188

約数の個数: 64

約数和(自身を含む): 31422504960

約数和(自身を除く): 10699520405

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 197, 235, 329, 455, 611, 985, 1379, 1645, 2561, 3055, 4277, 4919, 6895, 9259, 12805, 17927, 21385, 24595, 34433, 46295, 63947, 64813, 89635, 120367, 172165, 231193, 319735, 324065, 447629, 601835, 842569, 969043, 1155965, 1618351, 2238145, 3005509, 4212845, 4845215, 6783301, 8091755, 12597559, 15027545, 21038563, 33916505, 45545021, 62987795, 88182913, 105192815, 227725105, 318815147, 440914565, 592085273, 1594075735, 2960426365, 4144596911, 20722984555]

約数ペア:

[(1, 20722984555), (5, 4144596911), (7, 2960426365), (13, 1594075735), (35, 592085273), (47, 440914565), (65, 318815147), (91, 227725105), (197, 105192815), (235, 88182913), (329, 62987795), (455, 45545021), (611, 33916505), (985, 21038563), (1379, 15027545), (1645, 12597559), (2561, 8091755), (3055, 6783301), (4277, 4845215), (4919, 4212845), (6895, 3005509), (9259, 2238145), (12805, 1618351), (17927, 1155965), (21385, 969043), (24595, 842569), (34433, 601835), (46295, 447629), (63947, 324065), (64813, 319735), (89635, 231193), (120367, 172165)]