20512971336

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{67157}}^1$

素因数の和:67279

約数の個数: 128

約数和(自身を含む): 60925737600

約数和(自身を除く): 40412766264

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 89, 104, 132, 143, 156, 178, 264, 267, 286, 312, 356, 429, 534, 572, 712, 858, 979, 1068, 1144, 1157, 1716, 1958, 2136, 2314, 2937, 3432, 3471, 3916, 4628, 5874, 6942, 7832, 9256, 11748, 12727, 13884, 23496, 25454, 27768, 38181, 50908, 67157, 76362, 101816, 134314, 152724, 201471, 268628, 305448, 402942, 537256, 738727, 805884, 873041, 1477454, 1611768, 1746082, 2216181, 2619123, 2954908, 3492164, 4432362, 5238246, 5909816, 5976973, 6984328, 8864724, 9603451, 10476492, 11953946, 17729448, 17930919, 19206902, 20952984, 23907892, 28810353, 35861838, 38413804, 47815784, 57620706, 65746703, 71723676, 76827608, 77700649, 115241412, 131493406, 143447352, 155401298, 197240109, 230482824, 233101947, 262986812, 310802596, 394480218, 466203894, 525973624, 621605192, 788960436, 854707139, 932407788, 1577920872, 1709414278, 1864815576, 2564121417, 3418828556, 5128242834, 6837657112, 10256485668, 20512971336]

約数ペア:

[(1, 20512971336), (2, 10256485668), (3, 6837657112), (4, 5128242834), (6, 3418828556), (8, 2564121417), (11, 1864815576), (12, 1709414278), (13, 1577920872), (22, 932407788), (24, 854707139), (26, 788960436), (33, 621605192), (39, 525973624), (44, 466203894), (52, 394480218), (66, 310802596), (78, 262986812), (88, 233101947), (89, 230482824), (104, 197240109), (132, 155401298), (143, 143447352), (156, 131493406), (178, 115241412), (264, 77700649), (267, 76827608), (286, 71723676), (312, 65746703), (356, 57620706), (429, 47815784), (534, 38413804), (572, 35861838), (712, 28810353), (858, 23907892), (979, 20952984), (1068, 19206902), (1144, 17930919), (1157, 17729448), (1716, 11953946), (1958, 10476492), (2136, 9603451), (2314, 8864724), (2937, 6984328), (3432, 5976973), (3471, 5909816), (3916, 5238246), (4628, 4432362), (5874, 3492164), (6942, 2954908), (7832, 2619123), (9256, 2216181), (11748, 1746082), (12727, 1611768), (13884, 1477454), (23496, 873041), (25454, 805884), (27768, 738727), (38181, 537256), (50908, 402942), (67157, 305448), (76362, 268628), (101816, 201471), (134314, 152724)]