20210141940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{19963}}^1$

素因数の和:20381

約数の個数: 96

約数和(自身を含む): 57956290560

約数和(自身を除く): 37746148620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 359, 470, 564, 705, 718, 940, 1077, 1410, 1436, 1795, 2154, 2820, 3590, 4308, 5385, 7180, 10770, 16873, 19963, 21540, 33746, 39926, 50619, 59889, 67492, 79852, 84365, 99815, 101238, 119778, 168730, 199630, 202476, 239556, 253095, 299445, 337460, 399260, 506190, 598890, 938261, 1012380, 1197780, 1876522, 2814783, 3753044, 4691305, 5629566, 7166717, 9382610, 11259132, 14073915, 14333434, 18765220, 21500151, 28147830, 28666868, 35833585, 43000302, 56295660, 71667170, 86000604, 107500755, 143334340, 215001510, 336835699, 430003020, 673671398, 1010507097, 1347342796, 1684178495, 2021014194, 3368356990, 4042028388, 5052535485, 6736713980, 10105070970, 20210141940]

約数ペア:

[(1, 20210141940), (2, 10105070970), (3, 6736713980), (4, 5052535485), (5, 4042028388), (6, 3368356990), (10, 2021014194), (12, 1684178495), (15, 1347342796), (20, 1010507097), (30, 673671398), (47, 430003020), (60, 336835699), (94, 215001510), (141, 143334340), (188, 107500755), (235, 86000604), (282, 71667170), (359, 56295660), (470, 43000302), (564, 35833585), (705, 28666868), (718, 28147830), (940, 21500151), (1077, 18765220), (1410, 14333434), (1436, 14073915), (1795, 11259132), (2154, 9382610), (2820, 7166717), (3590, 5629566), (4308, 4691305), (5385, 3753044), (7180, 2814783), (10770, 1876522), (16873, 1197780), (19963, 1012380), (21540, 938261), (33746, 598890), (39926, 506190), (50619, 399260), (59889, 337460), (67492, 299445), (79852, 253095), (84365, 239556), (99815, 202476), (101238, 199630), (119778, 168730)]