20742162

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29024238

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 89, 93, 178, 179, 186, 217, 267, 358, 434, 534, 537, 623, 651, 1074, 1246, 1253, 1302, 1869, 2506, 2759, 3738, 3759, 5518, 5549, 7518, 8277, 11098, 15931, 16554, 16647, 19313, 31862, 33294, 38626, 38843, 47793, 57939, 77686, 95586, 111517, 115878, 116529, 223034, 233058, 334551, 493861, 669102, 987722, 1481583, 2963166, 3457027, 6914054, 10371081, 20742162]

約数ペア:

[(1, 20742162), (2, 10371081), (3, 6914054), (6, 3457027), (7, 2963166), (14, 1481583), (21, 987722), (31, 669102), (42, 493861), (62, 334551), (89, 233058), (93, 223034), (178, 116529), (179, 115878), (186, 111517), (217, 95586), (267, 77686), (358, 57939), (434, 47793), (534, 38843), (537, 38626), (623, 33294), (651, 31862), (1074, 19313), (1246, 16647), (1253, 16554), (1302, 15931), (1869, 11098), (2506, 8277), (2759, 7518), (3738, 5549), (3759, 5518)]