20165297580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{300347}}^1$

素因数の和:300735

約数の個数: 72

約数和(自身を含む): 61332262992

約数和(自身を除く): 41166965412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 373, 746, 1119, 1492, 1865, 2238, 3357, 3730, 4476, 5595, 6714, 7460, 11190, 13428, 16785, 22380, 33570, 67140, 300347, 600694, 901041, 1201388, 1501735, 1802082, 2703123, 3003470, 3604164, 4505205, 5406246, 6006940, 9010410, 10812492, 13515615, 18020820, 27031230, 54062460, 112029431, 224058862, 336088293, 448117724, 560147155, 672176586, 1008264879, 1120294310, 1344353172, 1680441465, 2016529758, 2240588620, 3360882930, 4033059516, 5041324395, 6721765860, 10082648790, 20165297580]

約数ペア:

[(1, 20165297580), (2, 10082648790), (3, 6721765860), (4, 5041324395), (5, 4033059516), (6, 3360882930), (9, 2240588620), (10, 2016529758), (12, 1680441465), (15, 1344353172), (18, 1120294310), (20, 1008264879), (30, 672176586), (36, 560147155), (45, 448117724), (60, 336088293), (90, 224058862), (180, 112029431), (373, 54062460), (746, 27031230), (1119, 18020820), (1492, 13515615), (1865, 10812492), (2238, 9010410), (3357, 6006940), (3730, 5406246), (4476, 4505205), (5595, 3604164), (6714, 3003470), (7460, 2703123), (11190, 1802082), (13428, 1501735), (16785, 1201388), (22380, 901041), (33570, 600694), (67140, 300347)]