20194601560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2326567}}^1$

素因数の和:2326616

約数の個数: 64

約数和(自身を含む): 53604126720

約数和(自身を除く): 33409525160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 2326567, 4653134, 9306268, 11632835, 16285969, 18612536, 23265670, 32571938, 46531340, 65143876, 72123577, 81429845, 93062680, 130287752, 144247154, 162859690, 288494308, 325719380, 360617885, 504865039, 576988616, 651438760, 721235770, 1009730078, 1442471540, 2019460156, 2524325195, 2884943080, 4038920312, 5048650390, 10097300780, 20194601560]

約数ペア:

[(1, 20194601560), (2, 10097300780), (4, 5048650390), (5, 4038920312), (7, 2884943080), (8, 2524325195), (10, 2019460156), (14, 1442471540), (20, 1009730078), (28, 721235770), (31, 651438760), (35, 576988616), (40, 504865039), (56, 360617885), (62, 325719380), (70, 288494308), (124, 162859690), (140, 144247154), (155, 130287752), (217, 93062680), (248, 81429845), (280, 72123577), (310, 65143876), (434, 46531340), (620, 32571938), (868, 23265670), (1085, 18612536), (1240, 16285969), (1736, 11632835), (2170, 9306268), (4340, 4653134), (8680, 2326567)]