20127172968

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{18583}}^1$

素因数の和:18916

約数の個数: 144

約数和(自身を含む): 63620837280

約数和(自身を除く): 43493664312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 307, 392, 441, 504, 588, 614, 882, 921, 1176, 1228, 1764, 1842, 2149, 2456, 2763, 3528, 3684, 4298, 5526, 6447, 7368, 8596, 11052, 12894, 15043, 17192, 18583, 19341, 22104, 25788, 30086, 37166, 38682, 45129, 51576, 55749, 60172, 74332, 77364, 90258, 111498, 120344, 130081, 135387, 148664, 154728, 167247, 180516, 222996, 260162, 270774, 334494, 361032, 390243, 445992, 520324, 541548, 668988, 780486, 910567, 1040648, 1083096, 1170729, 1337976, 1560972, 1821134, 2341458, 2731701, 3121944, 3642268, 4682916, 5463402, 5704981, 7284536, 8195103, 9365832, 10926804, 11409962, 16390206, 17114943, 21853608, 22819924, 32780412, 34229886, 39934867, 45639848, 51344829, 65560824, 68459772, 79869734, 102689658, 119804601, 136919544, 159739468, 205379316, 239609202, 279544069, 319478936, 359413803, 410758632, 479218404, 559088138, 718827606, 838632207, 958436808, 1118176276, 1437655212, 1677264414, 2236352552, 2515896621, 2875310424, 3354528828, 5031793242, 6709057656, 10063586484, 20127172968]

約数ペア:

[(1, 20127172968), (2, 10063586484), (3, 6709057656), (4, 5031793242), (6, 3354528828), (7, 2875310424), (8, 2515896621), (9, 2236352552), (12, 1677264414), (14, 1437655212), (18, 1118176276), (21, 958436808), (24, 838632207), (28, 718827606), (36, 559088138), (42, 479218404), (49, 410758632), (56, 359413803), (63, 319478936), (72, 279544069), (84, 239609202), (98, 205379316), (126, 159739468), (147, 136919544), (168, 119804601), (196, 102689658), (252, 79869734), (294, 68459772), (307, 65560824), (392, 51344829), (441, 45639848), (504, 39934867), (588, 34229886), (614, 32780412), (882, 22819924), (921, 21853608), (1176, 17114943), (1228, 16390206), (1764, 11409962), (1842, 10926804), (2149, 9365832), (2456, 8195103), (2763, 7284536), (3528, 5704981), (3684, 5463402), (4298, 4682916), (5526, 3642268), (6447, 3121944), (7368, 2731701), (8596, 2341458), (11052, 1821134), (12894, 1560972), (15043, 1337976), (17192, 1170729), (18583, 1083096), (19341, 1040648), (22104, 910567), (25788, 780486), (30086, 668988), (37166, 541548), (38682, 520324), (45129, 445992), (51576, 390243), (55749, 361032), (60172, 334494), (74332, 270774), (77364, 260162), (90258, 222996), (111498, 180516), (120344, 167247), (130081, 154728), (135387, 148664)]