20780063336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2241163}}^1$

素因数の和:2241249

約数の個数: 32

約数和(自身を含む): 41685650400

約数和(自身を除く): 20905587064

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 2241163, 4482326, 8964652, 17929304, 42582097, 85164194, 136710943, 170328388, 273421886, 340656776, 546843772, 1093687544, 2597507917, 5195015834, 10390031668, 20780063336]

約数ペア:

[(1, 20780063336), (2, 10390031668), (4, 5195015834), (8, 2597507917), (19, 1093687544), (38, 546843772), (61, 340656776), (76, 273421886), (122, 170328388), (152, 136710943), (244, 85164194), (488, 42582097), (1159, 17929304), (2318, 8964652), (4636, 4482326), (9272, 2241163)]