20294970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 31406790

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 67, 69, 115, 134, 138, 201, 230, 335, 345, 402, 439, 670, 690, 878, 1005, 1317, 1541, 2010, 2195, 2634, 3082, 4390, 4623, 6585, 7705, 9246, 10097, 13170, 15410, 20194, 23115, 29413, 30291, 46230, 50485, 58826, 60582, 88239, 100970, 147065, 151455, 176478, 294130, 302910, 441195, 676499, 882390, 1352998, 2029497, 3382495, 4058994, 6764990, 10147485, 20294970]

約数ペア:

[(1, 20294970), (2, 10147485), (3, 6764990), (5, 4058994), (6, 3382495), (10, 2029497), (15, 1352998), (23, 882390), (30, 676499), (46, 441195), (67, 302910), (69, 294130), (115, 176478), (134, 151455), (138, 147065), (201, 100970), (230, 88239), (335, 60582), (345, 58826), (402, 50485), (439, 46230), (670, 30291), (690, 29413), (878, 23115), (1005, 20194), (1317, 15410), (1541, 13170), (2010, 10097), (2195, 9246), (2634, 7705), (3082, 6585), (4390, 4623)]