20280905516

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1\times {\mathrm{3347}}^1$

素因数の和:3758

約数の個数: 48

約数和(自身を含む): 36663653376

約数和(自身を除く): 16382747860

約数列:

[1, 2, 4, 47, 94, 167, 188, 193, 334, 386, 668, 772, 3347, 6694, 7849, 9071, 13388, 15698, 18142, 31396, 32231, 36284, 64462, 128924, 157309, 314618, 558949, 629236, 645971, 1117898, 1291942, 1514857, 2235796, 2583884, 3029714, 6059428, 26270603, 30360637, 52541206, 60721274, 105082412, 107877157, 121442548, 215754314, 431508628, 5070226379, 10140452758, 20280905516]

約数ペア:

[(1, 20280905516), (2, 10140452758), (4, 5070226379), (47, 431508628), (94, 215754314), (167, 121442548), (188, 107877157), (193, 105082412), (334, 60721274), (386, 52541206), (668, 30360637), (772, 26270603), (3347, 6059428), (6694, 3029714), (7849, 2583884), (9071, 2235796), (13388, 1514857), (15698, 1291942), (18142, 1117898), (31396, 645971), (32231, 629236), (36284, 558949), (64462, 314618), (128924, 157309)]