20796870428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{32359}}^1$

素因数の和:32538

約数の個数: 48

約数和(自身を含む): 38620753920

約数和(自身を除く): 17823883492

約数列:

[1, 2, 4, 31, 62, 71, 73, 124, 142, 146, 284, 292, 2201, 2263, 4402, 4526, 5183, 8804, 9052, 10366, 20732, 32359, 64718, 129436, 160673, 321346, 642692, 1003129, 2006258, 2297489, 2362207, 4012516, 4594978, 4724414, 9189956, 9448828, 71222159, 73228417, 142444318, 146456834, 167716697, 284888636, 292913668, 335433394, 670866788, 5199217607, 10398435214, 20796870428]

約数ペア:

[(1, 20796870428), (2, 10398435214), (4, 5199217607), (31, 670866788), (62, 335433394), (71, 292913668), (73, 284888636), (124, 167716697), (142, 146456834), (146, 142444318), (284, 73228417), (292, 71222159), (2201, 9448828), (2263, 9189956), (4402, 4724414), (4526, 4594978), (5183, 4012516), (8804, 2362207), (9052, 2297489), (10366, 2006258), (20732, 1003129), (32359, 642692), (64718, 321346), (129436, 160673)]