20565552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 61440512

約数和(自身を除く): 40874960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 97, 112, 168, 194, 291, 336, 388, 582, 631, 679, 776, 1164, 1262, 1358, 1552, 1893, 2037, 2328, 2524, 2716, 3786, 4074, 4417, 4656, 5048, 5432, 7572, 8148, 8834, 10096, 10864, 13251, 15144, 16296, 17668, 26502, 30288, 32592, 35336, 53004, 61207, 70672, 106008, 122414, 183621, 212016, 244828, 367242, 428449, 489656, 734484, 856898, 979312, 1285347, 1468968, 1713796, 2570694, 2937936, 3427592, 5141388, 6855184, 10282776, 20565552]

約数ペア:

[(1, 20565552), (2, 10282776), (3, 6855184), (4, 5141388), (6, 3427592), (7, 2937936), (8, 2570694), (12, 1713796), (14, 1468968), (16, 1285347), (21, 979312), (24, 856898), (28, 734484), (42, 489656), (48, 428449), (56, 367242), (84, 244828), (97, 212016), (112, 183621), (168, 122414), (194, 106008), (291, 70672), (336, 61207), (388, 53004), (582, 35336), (631, 32592), (679, 30288), (776, 26502), (1164, 17668), (1262, 16296), (1358, 15144), (1552, 13251), (1893, 10864), (2037, 10096), (2328, 8834), (2524, 8148), (2716, 7572), (3786, 5432), (4074, 5048), (4417, 4656)]