19709120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3623}}^1$

素因数の和:3657

約数の個数: 56

約数和(自身を含む): 49706784

約数和(自身を除く): 29997664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3623, 5440, 7246, 14492, 18115, 28984, 36230, 57968, 61591, 72460, 115936, 123182, 144920, 231872, 246364, 289840, 307955, 492728, 579680, 615910, 985456, 1159360, 1231820, 1970912, 2463640, 3941824, 4927280, 9854560, 19709120]

約数ペア:

[(1, 19709120), (2, 9854560), (4, 4927280), (5, 3941824), (8, 2463640), (10, 1970912), (16, 1231820), (17, 1159360), (20, 985456), (32, 615910), (34, 579680), (40, 492728), (64, 307955), (68, 289840), (80, 246364), (85, 231872), (136, 144920), (160, 123182), (170, 115936), (272, 72460), (320, 61591), (340, 57968), (544, 36230), (680, 28984), (1088, 18115), (1360, 14492), (2720, 7246), (3623, 5440)]