20079040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3691}}^1$

素因数の和:3725

約数の個数: 56

約数和(自身を含む): 50639472

約数和(自身を除く): 30560432

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, 3691, 5440, 7382, 14764, 18455, 29528, 36910, 59056, 62747, 73820, 118112, 125494, 147640, 236224, 250988, 295280, 313735, 501976, 590560, 627470, 1003952, 1181120, 1254940, 2007904, 2509880, 4015808, 5019760, 10039520, 20079040]

約数ペア:

[(1, 20079040), (2, 10039520), (4, 5019760), (5, 4015808), (8, 2509880), (10, 2007904), (16, 1254940), (17, 1181120), (20, 1003952), (32, 627470), (34, 590560), (40, 501976), (64, 313735), (68, 295280), (80, 250988), (85, 236224), (136, 147640), (160, 125494), (170, 118112), (272, 73820), (320, 62747), (340, 59056), (544, 36910), (680, 29528), (1088, 18455), (1360, 14764), (2720, 7382), (3691, 5440)]