20165950994

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{645641}}^1$

素因数の和:645770

約数の個数: 32

約数和(自身を含む): 36445199616

約数和(自身を除く): 16279248622

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 679, 1358, 2231, 4462, 15617, 31234, 645641, 1291282, 4519487, 9038974, 14849743, 29699486, 62627177, 103948201, 125254354, 207896402, 438390239, 876780478, 1440425071, 2880850142, 10082975497, 20165950994]

約数ペア:

[(1, 20165950994), (2, 10082975497), (7, 2880850142), (14, 1440425071), (23, 876780478), (46, 438390239), (97, 207896402), (161, 125254354), (194, 103948201), (322, 62627177), (679, 29699486), (1358, 14849743), (2231, 9038974), (4462, 4519487), (15617, 1291282), (31234, 645641)]