20317984908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1\times {\mathrm{3413}}^1$

素因数の和:4695

約数の個数: 96

約数和(自身を含む): 52760666112

約数和(自身を除く): 32442681204

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1231, 1612, 2418, 2462, 3413, 3693, 4836, 4924, 6826, 7386, 10239, 13652, 14772, 16003, 20478, 32006, 38161, 40956, 44369, 48009, 64012, 76322, 88738, 96018, 105803, 114483, 133107, 152644, 177476, 192036, 211606, 228966, 266214, 317409, 423212, 457932, 496093, 532428, 634818, 992186, 1269636, 1375439, 1488279, 1984372, 2750878, 2976558, 4126317, 4201403, 5501756, 5953116, 8252634, 8402806, 12604209, 16505268, 16805612, 25208418, 50416836, 54618239, 109236478, 130243493, 163854717, 218472956, 260486986, 327709434, 390730479, 520973972, 655418868, 781460958, 1562921916, 1693165409, 3386330818, 5079496227, 6772661636, 10158992454, 20317984908]

約数ペア:

[(1, 20317984908), (2, 10158992454), (3, 6772661636), (4, 5079496227), (6, 3386330818), (12, 1693165409), (13, 1562921916), (26, 781460958), (31, 655418868), (39, 520973972), (52, 390730479), (62, 327709434), (78, 260486986), (93, 218472956), (124, 163854717), (156, 130243493), (186, 109236478), (372, 54618239), (403, 50416836), (806, 25208418), (1209, 16805612), (1231, 16505268), (1612, 12604209), (2418, 8402806), (2462, 8252634), (3413, 5953116), (3693, 5501756), (4836, 4201403), (4924, 4126317), (6826, 2976558), (7386, 2750878), (10239, 1984372), (13652, 1488279), (14772, 1375439), (16003, 1269636), (20478, 992186), (32006, 634818), (38161, 532428), (40956, 496093), (44369, 457932), (48009, 423212), (64012, 317409), (76322, 266214), (88738, 228966), (96018, 211606), (105803, 192036), (114483, 177476), (133107, 152644)]