20714274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2175

約数の個数: 48

約数和(自身を含む): 51966720

約数和(自身を除く): 31252446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 2081, 3318, 4162, 4977, 6243, 9954, 12486, 14567, 18729, 29134, 37458, 43701, 87402, 131103, 164399, 262206, 328798, 493197, 986394, 1150793, 1479591, 2301586, 2959182, 3452379, 6904758, 10357137, 20714274]

約数ペア:

[(1, 20714274), (2, 10357137), (3, 6904758), (6, 3452379), (7, 2959182), (9, 2301586), (14, 1479591), (18, 1150793), (21, 986394), (42, 493197), (63, 328798), (79, 262206), (126, 164399), (158, 131103), (237, 87402), (474, 43701), (553, 37458), (711, 29134), (1106, 18729), (1422, 14567), (1659, 12486), (2081, 9954), (3318, 6243), (4162, 4977)]