20403942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{683}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 23722266

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 383, 683, 766, 1149, 1366, 2049, 2298, 4098, 4979, 8879, 9958, 14937, 17758, 26637, 29874, 53274, 261589, 523178, 784767, 1569534, 3400657, 6801314, 10201971, 20403942]

約数ペア:

[(1, 20403942), (2, 10201971), (3, 6801314), (6, 3400657), (13, 1569534), (26, 784767), (39, 523178), (78, 261589), (383, 53274), (683, 29874), (766, 26637), (1149, 17758), (1366, 14937), (2049, 9958), (2298, 8879), (4098, 4979)]