20342090470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4957}}^1\times {\mathrm{31567}}^1$

素因数の和:36544

約数の個数: 32

約数和(自身を含む): 39441564288

約数和(自身を除く): 19099473818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4957, 9914, 24785, 31567, 49570, 63134, 64441, 128882, 157835, 315670, 322205, 410371, 644410, 820742, 2051855, 4103710, 156477619, 312955238, 782388095, 1564776190, 2034209047, 4068418094, 10171045235, 20342090470]

約数ペア:

[(1, 20342090470), (2, 10171045235), (5, 4068418094), (10, 2034209047), (13, 1564776190), (26, 782388095), (65, 312955238), (130, 156477619), (4957, 4103710), (9914, 2051855), (24785, 820742), (31567, 644410), (49570, 410371), (63134, 322205), (64441, 315670), (128882, 157835)]