20201207970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1\times {\mathrm{991}}^1$

素因数の和:2008

約数の個数: 128

約数和(自身を含む): 52330364928

約数和(自身を除く): 32129156958

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 930, 953, 991, 1426, 1906, 1982, 2139, 2859, 2973, 3565, 4278, 4765, 4955, 5718, 5946, 7130, 9530, 9910, 10695, 14295, 14865, 21390, 21919, 22793, 28590, 29543, 29730, 30721, 43838, 45586, 59086, 61442, 65757, 68379, 88629, 92163, 109595, 113965, 131514, 136758, 147715, 153605, 177258, 184326, 219190, 227930, 295430, 307210, 328785, 341895, 443145, 460815, 657570, 679489, 683790, 706583, 886290, 921630, 944423, 1358978, 1413166, 1888846, 2038467, 2119749, 2833269, 3397445, 3532915, 4076934, 4239498, 4722115, 5666538, 6794890, 7065830, 9444230, 10192335, 10598745, 14166345, 20384670, 21197490, 21721729, 28332690, 29277113, 43443458, 58554226, 65165187, 87831339, 108608645, 130330374, 146385565, 175662678, 217217290, 292771130, 325825935, 439156695, 651651870, 673373599, 878313390, 1346747198, 2020120797, 3366867995, 4040241594, 6733735990, 10100603985, 20201207970]

約数ペア:

[(1, 20201207970), (2, 10100603985), (3, 6733735990), (5, 4040241594), (6, 3366867995), (10, 2020120797), (15, 1346747198), (23, 878313390), (30, 673373599), (31, 651651870), (46, 439156695), (62, 325825935), (69, 292771130), (93, 217217290), (115, 175662678), (138, 146385565), (155, 130330374), (186, 108608645), (230, 87831339), (310, 65165187), (345, 58554226), (465, 43443458), (690, 29277113), (713, 28332690), (930, 21721729), (953, 21197490), (991, 20384670), (1426, 14166345), (1906, 10598745), (1982, 10192335), (2139, 9444230), (2859, 7065830), (2973, 6794890), (3565, 5666538), (4278, 4722115), (4765, 4239498), (4955, 4076934), (5718, 3532915), (5946, 3397445), (7130, 2833269), (9530, 2119749), (9910, 2038467), (10695, 1888846), (14295, 1413166), (14865, 1358978), (21390, 944423), (21919, 921630), (22793, 886290), (28590, 706583), (29543, 683790), (29730, 679489), (30721, 657570), (43838, 460815), (45586, 443145), (59086, 341895), (61442, 328785), (65757, 307210), (68379, 295430), (88629, 227930), (92163, 219190), (109595, 184326), (113965, 177258), (131514, 153605), (136758, 147715)]