20757211748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{564607}}^1$

素因数の和:564732

約数の個数: 48

約数和(自身を含む): 45150572544

約数和(自身を除く): 24393360796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 707, 1313, 1414, 2626, 2828, 5252, 9191, 18382, 36764, 564607, 1129214, 2258428, 3952249, 7339891, 7904498, 14679782, 15808996, 29359564, 51379237, 57025307, 102758474, 114050614, 205516948, 228101228, 399177149, 741328991, 798354298, 1482657982, 1596708596, 2965315964, 5189302937, 10378605874, 20757211748]

約数ペア:

[(1, 20757211748), (2, 10378605874), (4, 5189302937), (7, 2965315964), (13, 1596708596), (14, 1482657982), (26, 798354298), (28, 741328991), (52, 399177149), (91, 228101228), (101, 205516948), (182, 114050614), (202, 102758474), (364, 57025307), (404, 51379237), (707, 29359564), (1313, 15808996), (1414, 14679782), (2626, 7904498), (2828, 7339891), (5252, 3952249), (9191, 2258428), (18382, 1129214), (36764, 564607)]