20396304

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1172

約数の個数: 60

約数和(自身を含む): 57548400

約数和(自身を除く): 37152096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1019, 1112, 1251, 1668, 2038, 2224, 2502, 3057, 3336, 4076, 5004, 6114, 6672, 8152, 9171, 10008, 12228, 16304, 18342, 20016, 24456, 36684, 48912, 73368, 141641, 146736, 283282, 424923, 566564, 849846, 1133128, 1274769, 1699692, 2266256, 2549538, 3399384, 5099076, 6798768, 10198152, 20396304]

約数ペア:

[(1, 20396304), (2, 10198152), (3, 6798768), (4, 5099076), (6, 3399384), (8, 2549538), (9, 2266256), (12, 1699692), (16, 1274769), (18, 1133128), (24, 849846), (36, 566564), (48, 424923), (72, 283282), (139, 146736), (144, 141641), (278, 73368), (417, 48912), (556, 36684), (834, 24456), (1019, 20016), (1112, 18342), (1251, 16304), (1668, 12228), (2038, 10008), (2224, 9171), (2502, 8152), (3057, 6672), (3336, 6114), (4076, 5004)]