20749104

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1722

約数の個数: 60

約数和(自身を含む): 58757400

約数和(自身を除く): 38008296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 1619, 2136, 3204, 3238, 4272, 4857, 6408, 6476, 9714, 12816, 12952, 14571, 19428, 25904, 29142, 38856, 58284, 77712, 116568, 144091, 233136, 288182, 432273, 576364, 864546, 1152728, 1296819, 1729092, 2305456, 2593638, 3458184, 5187276, 6916368, 10374552, 20749104]

約数ペア:

[(1, 20749104), (2, 10374552), (3, 6916368), (4, 5187276), (6, 3458184), (8, 2593638), (9, 2305456), (12, 1729092), (16, 1296819), (18, 1152728), (24, 864546), (36, 576364), (48, 432273), (72, 288182), (89, 233136), (144, 144091), (178, 116568), (267, 77712), (356, 58284), (534, 38856), (712, 29142), (801, 25904), (1068, 19428), (1424, 14571), (1602, 12952), (1619, 12816), (2136, 9714), (3204, 6476), (3238, 6408), (4272, 4857)]