20778974961906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{7561}}^1\times {\mathrm{30307}}^1$

素因数の和:38024

約数の個数: 128

約数和(自身を含む): 50692961009664

約数和(自身を除く): 29913986047758

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 127, 238, 254, 357, 381, 714, 762, 889, 1778, 2159, 2667, 4318, 5334, 6477, 7561, 12954, 15113, 15122, 22683, 30226, 30307, 45339, 45366, 52927, 60614, 90678, 90921, 105854, 128537, 158781, 181842, 212149, 257074, 317562, 385611, 424298, 515219, 636447, 771222, 899759, 960247, 1030438, 1272894, 1545657, 1799518, 1920494, 2699277, 2880741, 3091314, 3606533, 3848989, 5398554, 5761482, 6721729, 7213066, 7697978, 10819599, 11546967, 13443458, 16324199, 20165187, 21639198, 23093934, 26942923, 32648398, 40330374, 48972597, 53885846, 65432813, 80828769, 97945194, 114269393, 130865626, 161657538, 196298439, 228538786, 229151227, 342808179, 392596878, 458029691, 458302454, 685616358, 687453681, 916059382, 1374089073, 1374907362, 1604058589, 2748178146, 3208117178, 3895570859, 4812175767, 7791141718, 9624351534, 11686712577, 23373425154, 27268996013, 29102205829, 54537992026, 58204411658, 81806988039, 87306617487, 163613976078, 174613234974, 203715440803, 407430881606, 494737499093, 611146322409, 989474998186, 1222292644818, 1484212497279, 2968424994558, 3463162493651, 6926324987302, 10389487480953, 20778974961906]

約数ペア:

[(1, 20778974961906), (2, 10389487480953), (3, 6926324987302), (6, 3463162493651), (7, 2968424994558), (14, 1484212497279), (17, 1222292644818), (21, 989474998186), (34, 611146322409), (42, 494737499093), (51, 407430881606), (102, 203715440803), (119, 174613234974), (127, 163613976078), (238, 87306617487), (254, 81806988039), (357, 58204411658), (381, 54537992026), (714, 29102205829), (762, 27268996013), (889, 23373425154), (1778, 11686712577), (2159, 9624351534), (2667, 7791141718), (4318, 4812175767), (5334, 3895570859), (6477, 3208117178), (7561, 2748178146), (12954, 1604058589), (15113, 1374907362), (15122, 1374089073), (22683, 916059382), (30226, 687453681), (30307, 685616358), (45339, 458302454), (45366, 458029691), (52927, 392596878), (60614, 342808179), (90678, 229151227), (90921, 228538786), (105854, 196298439), (128537, 161657538), (158781, 130865626), (181842, 114269393), (212149, 97945194), (257074, 80828769), (317562, 65432813), (385611, 53885846), (424298, 48972597), (515219, 40330374), (636447, 32648398), (771222, 26942923), (899759, 23093934), (960247, 21639198), (1030438, 20165187), (1272894, 16324199), (1545657, 13443458), (1799518, 11546967), (1920494, 10819599), (2699277, 7697978), (2880741, 7213066), (3091314, 6721729), (3606533, 5761482), (3848989, 5398554)]