20661536

素因数分解:

$2^5\times 7^2\times {\mathrm{13177}}^1$

素因数の和:13201

約数の個数: 36

約数和(自身を含む): 47322198

約数和(自身を除く): 26660662

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13177, 26354, 52708, 92239, 105416, 184478, 210832, 368956, 421664, 645673, 737912, 1291346, 1475824, 2582692, 2951648, 5165384, 10330768, 20661536]

約数ペア:

[(1, 20661536), (2, 10330768), (4, 5165384), (7, 2951648), (8, 2582692), (14, 1475824), (16, 1291346), (28, 737912), (32, 645673), (49, 421664), (56, 368956), (98, 210832), (112, 184478), (196, 105416), (224, 92239), (392, 52708), (784, 26354), (1568, 13177)]