20353998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 30656562

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 51, 58, 87, 102, 119, 174, 203, 238, 357, 406, 493, 609, 714, 983, 986, 1218, 1479, 1966, 2949, 2958, 3451, 5898, 6881, 6902, 10353, 13762, 16711, 20643, 20706, 28507, 33422, 41286, 50133, 57014, 85521, 100266, 116977, 171042, 199549, 233954, 350931, 399098, 484619, 598647, 701862, 969238, 1197294, 1453857, 2907714, 3392333, 6784666, 10176999, 20353998]

約数ペア:

[(1, 20353998), (2, 10176999), (3, 6784666), (6, 3392333), (7, 2907714), (14, 1453857), (17, 1197294), (21, 969238), (29, 701862), (34, 598647), (42, 484619), (51, 399098), (58, 350931), (87, 233954), (102, 199549), (119, 171042), (174, 116977), (203, 100266), (238, 85521), (357, 57014), (406, 50133), (493, 41286), (609, 33422), (714, 28507), (983, 20706), (986, 20643), (1218, 16711), (1479, 13762), (1966, 10353), (2949, 6902), (2958, 6881), (3451, 5898)]