20954016

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2347}}^1$

素因数の和:2394

約数の個数: 72

約数和(自身を含む): 61536384

約数和(自身を除く): 40582368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2347, 2976, 4464, 4694, 7041, 8928, 9388, 14082, 18776, 21123, 28164, 37552, 42246, 56328, 72757, 75104, 84492, 112656, 145514, 168984, 218271, 225312, 291028, 337968, 436542, 582056, 654813, 675936, 873084, 1164112, 1309626, 1746168, 2328224, 2619252, 3492336, 5238504, 6984672, 10477008, 20954016]

約数ペア:

[(1, 20954016), (2, 10477008), (3, 6984672), (4, 5238504), (6, 3492336), (8, 2619252), (9, 2328224), (12, 1746168), (16, 1309626), (18, 1164112), (24, 873084), (31, 675936), (32, 654813), (36, 582056), (48, 436542), (62, 337968), (72, 291028), (93, 225312), (96, 218271), (124, 168984), (144, 145514), (186, 112656), (248, 84492), (279, 75104), (288, 72757), (372, 56328), (496, 42246), (558, 37552), (744, 28164), (992, 21123), (1116, 18776), (1488, 14082), (2232, 9388), (2347, 8928), (2976, 7041), (4464, 4694)]