20163397275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:1002

約数の個数: 144

約数和(自身を含む): 41978646528

約数和(自身を除く): 21815249253

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 97, 105, 175, 191, 225, 291, 315, 485, 525, 573, 679, 691, 873, 955, 1337, 1455, 1575, 1719, 2037, 2073, 2425, 2865, 3395, 3455, 4011, 4365, 4775, 4837, 6111, 6219, 6685, 7275, 8595, 10185, 10365, 12033, 14325, 14511, 16975, 17275, 18527, 20055, 21825, 24185, 30555, 31095, 33425, 42975, 43533, 50925, 51825, 55581, 60165, 67027, 72555, 92635, 100275, 120925, 129689, 131981, 152775, 155475, 166743, 201081, 217665, 277905, 300825, 335135, 362775, 389067, 395943, 463175, 469189, 603243, 648445, 659905, 833715, 923867, 1005405, 1088325, 1167201, 1187829, 1389525, 1407567, 1675675, 1945335, 1979715, 2345945, 2771601, 3016215, 3242225, 3299525, 4168575, 4222701, 4619335, 5027025, 5836005, 5939145, 7037835, 8314803, 9726675, 9898575, 11729725, 12802157, 13858005, 15081075, 21113505, 23096675, 29180025, 29695725, 35189175, 38406471, 41574015, 64010785, 69290025, 89615099, 105567525, 115219413, 192032355, 207870075, 268845297, 320053925, 448075495, 576097065, 806535891, 960161775, 1344226485, 2240377475, 2880485325, 4032679455, 6721132425, 20163397275]

約数ペア:

[(1, 20163397275), (3, 6721132425), (5, 4032679455), (7, 2880485325), (9, 2240377475), (15, 1344226485), (21, 960161775), (25, 806535891), (35, 576097065), (45, 448075495), (63, 320053925), (75, 268845297), (97, 207870075), (105, 192032355), (175, 115219413), (191, 105567525), (225, 89615099), (291, 69290025), (315, 64010785), (485, 41574015), (525, 38406471), (573, 35189175), (679, 29695725), (691, 29180025), (873, 23096675), (955, 21113505), (1337, 15081075), (1455, 13858005), (1575, 12802157), (1719, 11729725), (2037, 9898575), (2073, 9726675), (2425, 8314803), (2865, 7037835), (3395, 5939145), (3455, 5836005), (4011, 5027025), (4365, 4619335), (4775, 4222701), (4837, 4168575), (6111, 3299525), (6219, 3242225), (6685, 3016215), (7275, 2771601), (8595, 2345945), (10185, 1979715), (10365, 1945335), (12033, 1675675), (14325, 1407567), (14511, 1389525), (16975, 1187829), (17275, 1167201), (18527, 1088325), (20055, 1005405), (21825, 923867), (24185, 833715), (30555, 659905), (31095, 648445), (33425, 603243), (42975, 469189), (43533, 463175), (50925, 395943), (51825, 389067), (55581, 362775), (60165, 335135), (67027, 300825), (72555, 277905), (92635, 217665), (100275, 201081), (120925, 166743), (129689, 155475), (131981, 152775)]