20159690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 37483776

約数和(自身を除く): 17324086

約数列:

[1, 2, 5, 10, 43, 86, 173, 215, 271, 346, 430, 542, 865, 1355, 1730, 2710, 7439, 11653, 14878, 23306, 37195, 46883, 58265, 74390, 93766, 116530, 234415, 468830, 2015969, 4031938, 10079845, 20159690]

約数ペア:

[(1, 20159690), (2, 10079845), (5, 4031938), (10, 2015969), (43, 468830), (86, 234415), (173, 116530), (215, 93766), (271, 74390), (346, 58265), (430, 46883), (542, 37195), (865, 23306), (1355, 14878), (1730, 11653), (2710, 7439)]