20385887776

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{52489}}^1$

素因数の和:52781

約数の個数: 48

約数和(自身を含む): 41071325400

約数和(自身を除く): 20685437624

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 229, 424, 458, 848, 916, 1696, 1832, 3664, 7328, 12137, 24274, 48548, 52489, 97096, 104978, 194192, 209956, 388384, 419912, 839824, 1679648, 2781917, 5563834, 11127668, 12019981, 22255336, 24039962, 44510672, 48079924, 89021344, 96159848, 192319696, 384639392, 637058993, 1274117986, 2548235972, 5096471944, 10192943888, 20385887776]

約数ペア:

[(1, 20385887776), (2, 10192943888), (4, 5096471944), (8, 2548235972), (16, 1274117986), (32, 637058993), (53, 384639392), (106, 192319696), (212, 96159848), (229, 89021344), (424, 48079924), (458, 44510672), (848, 24039962), (916, 22255336), (1696, 12019981), (1832, 11127668), (3664, 5563834), (7328, 2781917), (12137, 1679648), (24274, 839824), (48548, 419912), (52489, 388384), (97096, 209956), (104978, 194192)]