20742390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{230471}}^1$

素因数の和:230484

約数の個数: 24

約数和(自身を含む): 53930448

約数和(自身を除く): 33188058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 230471, 460942, 691413, 1152355, 1382826, 2074239, 2304710, 3457065, 4148478, 6914130, 10371195, 20742390]

約数ペア:

[(1, 20742390), (2, 10371195), (3, 6914130), (5, 4148478), (6, 3457065), (9, 2304710), (10, 2074239), (15, 1382826), (18, 1152355), (30, 691413), (45, 460942), (90, 230471)]