20621466

素因数分解:

$2^1\times 3^5\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 46807488

約数和(自身を除く): 26186022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 151, 162, 243, 281, 302, 453, 486, 562, 843, 906, 1359, 1686, 2529, 2718, 4077, 5058, 7587, 8154, 12231, 15174, 22761, 24462, 36693, 42431, 45522, 68283, 73386, 84862, 127293, 136566, 254586, 381879, 763758, 1145637, 2291274, 3436911, 6873822, 10310733, 20621466]

約数ペア:

[(1, 20621466), (2, 10310733), (3, 6873822), (6, 3436911), (9, 2291274), (18, 1145637), (27, 763758), (54, 381879), (81, 254586), (151, 136566), (162, 127293), (243, 84862), (281, 73386), (302, 68283), (453, 45522), (486, 42431), (562, 36693), (843, 24462), (906, 22761), (1359, 15174), (1686, 12231), (2529, 8154), (2718, 7587), (4077, 5058)]