20157627340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2\times {\mathrm{6361}}^1$

素因数の和:6559

約数の個数: 72

約数和(自身を含む): 44717123808

約数和(自身を除く): 24559496468

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 460, 830, 1660, 1909, 3818, 6361, 6889, 7636, 9545, 12722, 13778, 19090, 25444, 27556, 31805, 34445, 38180, 63610, 68890, 127220, 137780, 146303, 158447, 292606, 316894, 527963, 585212, 633788, 731515, 792235, 1055926, 1463030, 1584470, 2111852, 2639815, 2926060, 3168940, 5279630, 10559260, 12143149, 24286298, 43820929, 48572596, 60715745, 87641858, 121431490, 175283716, 219104645, 242862980, 438209290, 876418580, 1007881367, 2015762734, 4031525468, 5039406835, 10078813670, 20157627340]

約数ペア:

[(1, 20157627340), (2, 10078813670), (4, 5039406835), (5, 4031525468), (10, 2015762734), (20, 1007881367), (23, 876418580), (46, 438209290), (83, 242862980), (92, 219104645), (115, 175283716), (166, 121431490), (230, 87641858), (332, 60715745), (415, 48572596), (460, 43820929), (830, 24286298), (1660, 12143149), (1909, 10559260), (3818, 5279630), (6361, 3168940), (6889, 2926060), (7636, 2639815), (9545, 2111852), (12722, 1584470), (13778, 1463030), (19090, 1055926), (25444, 792235), (27556, 731515), (31805, 633788), (34445, 585212), (38180, 527963), (63610, 316894), (68890, 292606), (127220, 158447), (137780, 146303)]