20217963346

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{33587}}^1$

素因数の和:33719

約数の個数: 64

約数和(自身を含む): 38177464320

約数和(自身を除く): 17959500974

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 73, 133, 146, 217, 266, 434, 511, 589, 1022, 1178, 1387, 2263, 2774, 4123, 4526, 8246, 9709, 15841, 19418, 31682, 33587, 42997, 67174, 85994, 235109, 300979, 470218, 601958, 638153, 1041197, 1276306, 2082394, 2451851, 4467071, 4903702, 7288379, 8934142, 14576758, 17162957, 19782743, 34325914, 39565486, 46585169, 76007381, 93170338, 138479201, 152014762, 276958402, 326096183, 532051667, 652192366, 1064103334, 1444140239, 2888280478, 10108981673, 20217963346]

約数ペア:

[(1, 20217963346), (2, 10108981673), (7, 2888280478), (14, 1444140239), (19, 1064103334), (31, 652192366), (38, 532051667), (62, 326096183), (73, 276958402), (133, 152014762), (146, 138479201), (217, 93170338), (266, 76007381), (434, 46585169), (511, 39565486), (589, 34325914), (1022, 19782743), (1178, 17162957), (1387, 14576758), (2263, 8934142), (2774, 7288379), (4123, 4903702), (4526, 4467071), (8246, 2451851), (9709, 2082394), (15841, 1276306), (19418, 1041197), (31682, 638153), (33587, 601958), (42997, 470218), (67174, 300979), (85994, 235109)]