20144681008

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{1153}}^1$

素因数の和:1622

約数の個数: 80

約数和(自身を含む): 41139527616

約数和(自身を除く): 20994846608

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 197, 241, 368, 394, 482, 788, 964, 1153, 1576, 1928, 2306, 3152, 3856, 4531, 4612, 5543, 9062, 9224, 11086, 18124, 18448, 22172, 26519, 36248, 44344, 47477, 53038, 72496, 88688, 94954, 106076, 189908, 212152, 227141, 277873, 379816, 424304, 454282, 555746, 759632, 908564, 1091971, 1111492, 1817128, 2183942, 2222984, 3634256, 4367884, 4445968, 5224243, 6391079, 8735768, 10448486, 12782158, 17471536, 20896972, 25564316, 41793944, 51128632, 54740981, 83587888, 102257264, 109481962, 218963924, 437927848, 875855696, 1259042563, 2518085126, 5036170252, 10072340504, 20144681008]

約数ペア:

[(1, 20144681008), (2, 10072340504), (4, 5036170252), (8, 2518085126), (16, 1259042563), (23, 875855696), (46, 437927848), (92, 218963924), (184, 109481962), (197, 102257264), (241, 83587888), (368, 54740981), (394, 51128632), (482, 41793944), (788, 25564316), (964, 20896972), (1153, 17471536), (1576, 12782158), (1928, 10448486), (2306, 8735768), (3152, 6391079), (3856, 5224243), (4531, 4445968), (4612, 4367884), (5543, 3634256), (9062, 2222984), (9224, 2183942), (11086, 1817128), (18124, 1111492), (18448, 1091971), (22172, 908564), (26519, 759632), (36248, 555746), (44344, 454282), (47477, 424304), (53038, 379816), (72496, 277873), (88688, 227141), (94954, 212152), (106076, 189908)]