20992244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 45741696

約数和(自身を除く): 24749452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 571, 707, 1142, 1313, 1414, 2284, 2626, 2828, 3997, 5252, 7423, 7994, 9191, 14846, 15988, 18382, 29692, 36764, 51961, 57671, 103922, 115342, 207844, 230684, 403697, 749723, 807394, 1499446, 1614788, 2998892, 5248061, 10496122, 20992244]

約数ペア:

[(1, 20992244), (2, 10496122), (4, 5248061), (7, 2998892), (13, 1614788), (14, 1499446), (26, 807394), (28, 749723), (52, 403697), (91, 230684), (101, 207844), (182, 115342), (202, 103922), (364, 57671), (404, 51961), (571, 36764), (707, 29692), (1142, 18382), (1313, 15988), (1414, 14846), (2284, 9191), (2626, 7994), (2828, 7423), (3997, 5252)]