20187958644

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{42863}}^1$

素因数の和:42979

約数の個数: 144

約数和(自身を含む): 61569849600

約数和(自身を除く): 41381890956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 89, 98, 108, 126, 147, 178, 189, 196, 252, 267, 294, 356, 378, 441, 534, 588, 623, 756, 801, 882, 1068, 1246, 1323, 1602, 1764, 1869, 2403, 2492, 2646, 3204, 3738, 4361, 4806, 5292, 5607, 7476, 8722, 9612, 11214, 13083, 16821, 17444, 22428, 26166, 33642, 39249, 42863, 52332, 67284, 78498, 85726, 117747, 128589, 156996, 171452, 235494, 257178, 300041, 385767, 470988, 514356, 600082, 771534, 900123, 1157301, 1200164, 1543068, 1800246, 2100287, 2314602, 2700369, 3600492, 3814807, 4200574, 4629204, 5400738, 6300861, 7629614, 8101107, 8401148, 10801476, 11444421, 12601722, 15259228, 16202214, 18902583, 22888842, 25203444, 26703649, 32404428, 34333263, 37805166, 45777684, 53407298, 56707749, 68666526, 75610332, 80110947, 102999789, 106814596, 113415498, 137333052, 160221894, 186925543, 205999578, 226830996, 240332841, 320443788, 373851086, 411999156, 480665682, 560776629, 720998523, 747702172, 961331364, 1121553258, 1441997046, 1682329887, 2243106516, 2883994092, 3364659774, 5046989661, 6729319548, 10093979322, 20187958644]

約数ペア:

[(1, 20187958644), (2, 10093979322), (3, 6729319548), (4, 5046989661), (6, 3364659774), (7, 2883994092), (9, 2243106516), (12, 1682329887), (14, 1441997046), (18, 1121553258), (21, 961331364), (27, 747702172), (28, 720998523), (36, 560776629), (42, 480665682), (49, 411999156), (54, 373851086), (63, 320443788), (84, 240332841), (89, 226830996), (98, 205999578), (108, 186925543), (126, 160221894), (147, 137333052), (178, 113415498), (189, 106814596), (196, 102999789), (252, 80110947), (267, 75610332), (294, 68666526), (356, 56707749), (378, 53407298), (441, 45777684), (534, 37805166), (588, 34333263), (623, 32404428), (756, 26703649), (801, 25203444), (882, 22888842), (1068, 18902583), (1246, 16202214), (1323, 15259228), (1602, 12601722), (1764, 11444421), (1869, 10801476), (2403, 8401148), (2492, 8101107), (2646, 7629614), (3204, 6300861), (3738, 5400738), (4361, 4629204), (4806, 4200574), (5292, 3814807), (5607, 3600492), (7476, 2700369), (8722, 2314602), (9612, 2100287), (11214, 1800246), (13083, 1543068), (16821, 1200164), (17444, 1157301), (22428, 900123), (26166, 771534), (33642, 600082), (39249, 514356), (42863, 470988), (52332, 385767), (67284, 300041), (78498, 257178), (85726, 235494), (117747, 171452), (128589, 156996)]