20120688

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19961}}^1$

素因数の和:19982

約数の個数: 60

約数和(自身を含む): 64357488

約数和(自身を除く): 44236800

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 19961, 39922, 59883, 79844, 119766, 139727, 159688, 179649, 239532, 279454, 319376, 359298, 419181, 479064, 558908, 718596, 838362, 958128, 1117816, 1257543, 1437192, 1676724, 2235632, 2515086, 2874384, 3353448, 5030172, 6706896, 10060344, 20120688]

約数ペア:

[(1, 20120688), (2, 10060344), (3, 6706896), (4, 5030172), (6, 3353448), (7, 2874384), (8, 2515086), (9, 2235632), (12, 1676724), (14, 1437192), (16, 1257543), (18, 1117816), (21, 958128), (24, 838362), (28, 718596), (36, 558908), (42, 479064), (48, 419181), (56, 359298), (63, 319376), (72, 279454), (84, 239532), (112, 179649), (126, 159688), (144, 139727), (168, 119766), (252, 79844), (336, 59883), (504, 39922), (1008, 19961)]