20189949815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{4349}}^1$

素因数の和:4536

約数の個数: 64

約数和(自身を含む): 29666304000

約数和(自身を除く): 9476354185

約数列:

[1, 5, 7, 23, 35, 73, 79, 115, 161, 365, 395, 511, 553, 805, 1679, 1817, 2555, 2765, 4349, 5767, 8395, 9085, 11753, 12719, 21745, 28835, 30443, 40369, 58765, 63595, 100027, 132641, 152215, 201845, 317477, 343571, 500135, 663205, 700189, 928487, 1587385, 1717855, 2222339, 2404997, 3500945, 4642435, 7301971, 7902133, 11111695, 12024985, 25080683, 36509855, 39510665, 51113797, 55314931, 125403415, 175564781, 255568985, 276574655, 576855709, 877823905, 2884278545, 4037989963, 20189949815]

約数ペア:

[(1, 20189949815), (5, 4037989963), (7, 2884278545), (23, 877823905), (35, 576855709), (73, 276574655), (79, 255568985), (115, 175564781), (161, 125403415), (365, 55314931), (395, 51113797), (511, 39510665), (553, 36509855), (805, 25080683), (1679, 12024985), (1817, 11111695), (2555, 7902133), (2765, 7301971), (4349, 4642435), (5767, 3500945), (8395, 2404997), (9085, 2222339), (11753, 1717855), (12719, 1587385), (21745, 928487), (28835, 700189), (30443, 663205), (40369, 500135), (58765, 343571), (63595, 317477), (100027, 201845), (132641, 152215)]