20199484130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{1259}}^1$

素因数の和:1656

約数の個数: 96

約数和(自身を含む): 42816211200

約数和(自身を除く): 22616727070

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 239, 245, 274, 478, 490, 685, 959, 1195, 1259, 1370, 1673, 1918, 2390, 2518, 3346, 4795, 6295, 6713, 8365, 8813, 9590, 11711, 12590, 13426, 16730, 17626, 23422, 32743, 33565, 44065, 58555, 61691, 65486, 67130, 88130, 117110, 123382, 163715, 172483, 229201, 300901, 308455, 327430, 344966, 458402, 601802, 616910, 862415, 1146005, 1207381, 1504505, 1604407, 1724830, 2106307, 2292010, 2414762, 3009010, 3208814, 4212614, 6036905, 8022035, 8451667, 10531535, 12073810, 14744149, 16044070, 16903334, 21063070, 29488298, 41223437, 42258335, 73720745, 82446874, 84516670, 147441490, 206117185, 288564059, 412234370, 577128118, 1442820295, 2019948413, 2885640590, 4039896826, 10099742065, 20199484130]

約数ペア:

[(1, 20199484130), (2, 10099742065), (5, 4039896826), (7, 2885640590), (10, 2019948413), (14, 1442820295), (35, 577128118), (49, 412234370), (70, 288564059), (98, 206117185), (137, 147441490), (239, 84516670), (245, 82446874), (274, 73720745), (478, 42258335), (490, 41223437), (685, 29488298), (959, 21063070), (1195, 16903334), (1259, 16044070), (1370, 14744149), (1673, 12073810), (1918, 10531535), (2390, 8451667), (2518, 8022035), (3346, 6036905), (4795, 4212614), (6295, 3208814), (6713, 3009010), (8365, 2414762), (8813, 2292010), (9590, 2106307), (11711, 1724830), (12590, 1604407), (13426, 1504505), (16730, 1207381), (17626, 1146005), (23422, 862415), (32743, 616910), (33565, 601802), (44065, 458402), (58555, 344966), (61691, 327430), (65486, 308455), (67130, 300901), (88130, 229201), (117110, 172483), (123382, 163715)]