20722086

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14951}}^1$

素因数の和:14977

約数の個数: 48

約数和(自身を含む): 55980288

約数和(自身を除く): 35258202

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 14951, 29902, 44853, 89706, 104657, 134559, 164461, 209314, 269118, 313971, 328922, 493383, 627942, 941913, 986766, 1151227, 1480149, 1883826, 2302454, 2960298, 3453681, 6907362, 10361043, 20722086]

約数ペア:

[(1, 20722086), (2, 10361043), (3, 6907362), (6, 3453681), (7, 2960298), (9, 2302454), (11, 1883826), (14, 1480149), (18, 1151227), (21, 986766), (22, 941913), (33, 627942), (42, 493383), (63, 328922), (66, 313971), (77, 269118), (99, 209314), (126, 164461), (154, 134559), (198, 104657), (231, 89706), (462, 44853), (693, 29902), (1386, 14951)]