20177847621

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1559

約数の個数: 96

約数和(自身を含む): 33179608800

約数和(自身を除く): 13001761179

約数列:

[1, 3, 9, 17, 29, 37, 51, 87, 89, 111, 153, 261, 267, 333, 493, 629, 801, 1073, 1381, 1479, 1513, 1887, 2581, 3219, 3293, 4143, 4437, 4539, 5661, 7743, 9657, 9879, 12429, 13617, 18241, 23229, 23477, 29637, 40049, 43877, 51097, 54723, 55981, 70431, 95497, 120147, 122909, 131631, 153291, 164169, 167943, 211293, 286491, 360441, 368727, 394893, 459873, 503829, 680833, 859473, 868649, 1106181, 1481813, 1623449, 2042499, 2089453, 2605947, 3564361, 4445439, 4547633, 4870347, 6127497, 6268359, 7817841, 10693083, 13336317, 13642899, 14611041, 18805077, 25190821, 32079249, 40928697, 60594137, 75572463, 77309761, 131881357, 181782411, 226717389, 231929283, 395644071, 545347233, 695787849, 1186932213, 2241983069, 6725949207, 20177847621]

約数ペア:

[(1, 20177847621), (3, 6725949207), (9, 2241983069), (17, 1186932213), (29, 695787849), (37, 545347233), (51, 395644071), (87, 231929283), (89, 226717389), (111, 181782411), (153, 131881357), (261, 77309761), (267, 75572463), (333, 60594137), (493, 40928697), (629, 32079249), (801, 25190821), (1073, 18805077), (1381, 14611041), (1479, 13642899), (1513, 13336317), (1887, 10693083), (2581, 7817841), (3219, 6268359), (3293, 6127497), (4143, 4870347), (4437, 4547633), (4539, 4445439), (5661, 3564361), (7743, 2605947), (9657, 2089453), (9879, 2042499), (12429, 1623449), (13617, 1481813), (18241, 1106181), (23229, 868649), (23477, 859473), (29637, 680833), (40049, 503829), (43877, 459873), (51097, 394893), (54723, 368727), (55981, 360441), (70431, 286491), (95497, 211293), (120147, 167943), (122909, 164169), (131631, 153291)]