20975260178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1\times {\mathrm{829}}^1$

素因数の和:1659

約数の個数: 64

約数和(自身を含む): 35820144000

約数和(自身を除く): 14844883822

約数列:

[1, 2, 17, 19, 34, 38, 53, 106, 323, 646, 739, 829, 901, 1007, 1478, 1658, 1802, 2014, 12563, 14041, 14093, 15751, 17119, 25126, 28082, 28186, 31502, 34238, 39167, 43937, 78334, 87874, 238697, 267767, 477394, 535534, 612631, 665839, 744173, 746929, 834803, 1225262, 1331678, 1488346, 1493858, 1669606, 10414727, 11639989, 12650941, 14191651, 20829454, 23279978, 25301882, 28383302, 32469443, 64938886, 197879813, 395759626, 551980531, 616919417, 1103961062, 1233838834, 10487630089, 20975260178]

約数ペア:

[(1, 20975260178), (2, 10487630089), (17, 1233838834), (19, 1103961062), (34, 616919417), (38, 551980531), (53, 395759626), (106, 197879813), (323, 64938886), (646, 32469443), (739, 28383302), (829, 25301882), (901, 23279978), (1007, 20829454), (1478, 14191651), (1658, 12650941), (1802, 11639989), (2014, 10414727), (12563, 1669606), (14041, 1493858), (14093, 1488346), (15751, 1331678), (17119, 1225262), (25126, 834803), (28082, 746929), (28186, 744173), (31502, 665839), (34238, 612631), (39167, 535534), (43937, 477394), (78334, 267767), (87874, 238697)]