20122131488

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{542551}}^1$

素因数の和:542641

約数の個数: 48

約数和(自身を含む): 42384162240

約数和(自身を除く): 22262030752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 488, 608, 976, 1159, 1952, 2318, 4636, 9272, 18544, 37088, 542551, 1085102, 2170204, 4340408, 8680816, 10308469, 17361632, 20616938, 33095611, 41233876, 66191222, 82467752, 132382444, 164935504, 264764888, 329871008, 529529776, 628816609, 1059059552, 1257633218, 2515266436, 5030532872, 10061065744, 20122131488]

約数ペア:

[(1, 20122131488), (2, 10061065744), (4, 5030532872), (8, 2515266436), (16, 1257633218), (19, 1059059552), (32, 628816609), (38, 529529776), (61, 329871008), (76, 264764888), (122, 164935504), (152, 132382444), (244, 82467752), (304, 66191222), (488, 41233876), (608, 33095611), (976, 20616938), (1159, 17361632), (1952, 10308469), (2318, 8680816), (4636, 4340408), (9272, 2170204), (18544, 1085102), (37088, 542551)]