20172300694

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:631

約数の個数: 144

約数和(自身を含む): 39765642336

約数和(自身を除く): 19593341642

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 61, 82, 91, 98, 122, 169, 182, 287, 338, 427, 487, 533, 574, 637, 793, 854, 974, 1066, 1183, 1274, 1586, 2009, 2366, 2501, 2989, 3409, 3731, 4018, 5002, 5551, 5978, 6331, 6818, 6929, 7462, 8281, 10309, 11102, 12662, 13858, 16562, 17507, 19967, 20618, 23863, 26117, 29707, 32513, 35014, 38857, 39934, 44317, 47726, 48503, 52234, 59414, 65026, 72163, 77714, 82303, 88634, 97006, 122549, 139769, 144326, 164606, 207949, 227591, 245098, 259571, 279538, 310219, 339521, 386191, 415898, 422669, 455182, 505141, 519142, 576121, 620438, 679042, 772382, 845338, 978383, 1010282, 1152242, 1217987, 1455643, 1593137, 1816997, 1956766, 2435974, 2703337, 2911286, 2958683, 3186274, 3374423, 3633994, 4032847, 5020483, 5406674, 5917366, 6748846, 8065694, 8525909, 10040966, 12718979, 15833831, 17051818, 18923359, 20710781, 23620961, 25437958, 31667662, 35143381, 37846718, 41421562, 47241922, 59681363, 70286762, 110836817, 119362726, 165346727, 205839803, 221673634, 246003667, 330693454, 411679606, 492007334, 775857719, 1440878621, 1551715438, 2881757242, 10086150347, 20172300694]

約数ペア:

[(1, 20172300694), (2, 10086150347), (7, 2881757242), (13, 1551715438), (14, 1440878621), (26, 775857719), (41, 492007334), (49, 411679606), (61, 330693454), (82, 246003667), (91, 221673634), (98, 205839803), (122, 165346727), (169, 119362726), (182, 110836817), (287, 70286762), (338, 59681363), (427, 47241922), (487, 41421562), (533, 37846718), (574, 35143381), (637, 31667662), (793, 25437958), (854, 23620961), (974, 20710781), (1066, 18923359), (1183, 17051818), (1274, 15833831), (1586, 12718979), (2009, 10040966), (2366, 8525909), (2501, 8065694), (2989, 6748846), (3409, 5917366), (3731, 5406674), (4018, 5020483), (5002, 4032847), (5551, 3633994), (5978, 3374423), (6331, 3186274), (6818, 2958683), (6929, 2911286), (7462, 2703337), (8281, 2435974), (10309, 1956766), (11102, 1816997), (12662, 1593137), (13858, 1455643), (16562, 1217987), (17507, 1152242), (19967, 1010282), (20618, 978383), (23863, 845338), (26117, 772382), (29707, 679042), (32513, 620438), (35014, 576121), (38857, 519142), (39934, 505141), (44317, 455182), (47726, 422669), (48503, 415898), (52234, 386191), (59414, 339521), (65026, 310219), (72163, 279538), (77714, 259571), (82303, 245098), (88634, 227591), (97006, 207949), (122549, 164606), (139769, 144326)]