20924384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 44770320

約数和(自身を除く): 23845936

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 179, 208, 281, 358, 416, 562, 716, 1124, 1432, 2248, 2327, 2864, 3653, 4496, 4654, 5728, 7306, 8992, 9308, 14612, 18616, 29224, 37232, 50299, 58448, 74464, 100598, 116896, 201196, 402392, 653887, 804784, 1307774, 1609568, 2615548, 5231096, 10462192, 20924384]

約数ペア:

[(1, 20924384), (2, 10462192), (4, 5231096), (8, 2615548), (13, 1609568), (16, 1307774), (26, 804784), (32, 653887), (52, 402392), (104, 201196), (179, 116896), (208, 100598), (281, 74464), (358, 58448), (416, 50299), (562, 37232), (716, 29224), (1124, 18616), (1432, 14612), (2248, 9308), (2327, 8992), (2864, 7306), (3653, 5728), (4496, 4654)]