20163437231

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1441

約数の個数: 72

約数和(自身を含む): 26492086080

約数和(自身を除く): 6328648849

約数列:

[1, 7, 17, 29, 37, 49, 119, 203, 259, 289, 493, 629, 833, 1073, 1327, 1421, 1813, 2023, 3451, 4403, 7511, 8381, 9289, 10693, 14161, 18241, 22559, 24157, 30821, 38483, 49099, 52577, 58667, 65023, 74851, 127687, 157913, 269381, 310097, 343693, 383503, 410669, 523957, 654211, 834683, 893809, 1105391, 1423871, 1885667, 2170679, 2405851, 2684521, 4579477, 5842781, 9967097, 11121587, 14189611, 15194753, 18791647, 24205807, 32056339, 40899467, 69769679, 77851109, 99327277, 169440649, 411498719, 544957763, 695290939, 1186084543, 2880491033, 20163437231]

約数ペア:

[(1, 20163437231), (7, 2880491033), (17, 1186084543), (29, 695290939), (37, 544957763), (49, 411498719), (119, 169440649), (203, 99327277), (259, 77851109), (289, 69769679), (493, 40899467), (629, 32056339), (833, 24205807), (1073, 18791647), (1327, 15194753), (1421, 14189611), (1813, 11121587), (2023, 9967097), (3451, 5842781), (4403, 4579477), (7511, 2684521), (8381, 2405851), (9289, 2170679), (10693, 1885667), (14161, 1423871), (18241, 1105391), (22559, 893809), (24157, 834683), (30821, 654211), (38483, 523957), (49099, 410669), (52577, 383503), (58667, 343693), (65023, 310097), (74851, 269381), (127687, 157913)]