20847834

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7879}}^1$

素因数の和:7904

約数の個数: 48

約数和(自身を含む): 53899200

約数和(自身を除く): 33051366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7879, 15758, 23637, 47274, 55153, 70911, 110306, 141822, 165459, 212733, 330918, 386071, 425466, 496377, 772142, 992754, 1158213, 1489131, 2316426, 2978262, 3474639, 6949278, 10423917, 20847834]

約数ペア:

[(1, 20847834), (2, 10423917), (3, 6949278), (6, 3474639), (7, 2978262), (9, 2316426), (14, 1489131), (18, 1158213), (21, 992754), (27, 772142), (42, 496377), (49, 425466), (54, 386071), (63, 330918), (98, 212733), (126, 165459), (147, 141822), (189, 110306), (294, 70911), (378, 55153), (441, 47274), (882, 23637), (1323, 15758), (2646, 7879)]