20239550695

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 32606805312

約数和(自身を除く): 12367254617

約数列:

[1, 5, 7, 13, 23, 35, 49, 53, 65, 91, 115, 161, 169, 245, 265, 299, 371, 401, 455, 637, 689, 805, 845, 1127, 1183, 1219, 1495, 1855, 2005, 2093, 2597, 2807, 3185, 3445, 3887, 4823, 5213, 5635, 5915, 6095, 8281, 8533, 8957, 9223, 10465, 12985, 14035, 14651, 15847, 19435, 19649, 21253, 24115, 26065, 27209, 33761, 36491, 41405, 42665, 44785, 46115, 59731, 62699, 64561, 67769, 73255, 79235, 98245, 106265, 110929, 119899, 136045, 148771, 168805, 182455, 190463, 206011, 255437, 276289, 298655, 313495, 322805, 338845, 438893, 451927, 474383, 488819, 554645, 599495, 743855, 776503, 839293, 952315, 1030055, 1041397, 1277185, 1381445, 1442077, 1558687, 1934023, 2194465, 2259635, 2371915, 2444095, 3320681, 3421733, 3591757, 3882515, 4196465, 5206985, 5875051, 6354647, 7210385, 7793435, 9670115, 10094539, 10910809, 13538161, 16603405, 17108665, 17958785, 23952131, 25142299, 29375255, 31773235, 44482529, 50472695, 54554045, 67690805, 76375663, 82610411, 119760655, 125711495, 175996093, 222412645, 311377703, 381878315, 413052055, 578272877, 879980465, 1556888515, 2891364385, 4047910139, 20239550695]

約数ペア:

[(1, 20239550695), (5, 4047910139), (7, 2891364385), (13, 1556888515), (23, 879980465), (35, 578272877), (49, 413052055), (53, 381878315), (65, 311377703), (91, 222412645), (115, 175996093), (161, 125711495), (169, 119760655), (245, 82610411), (265, 76375663), (299, 67690805), (371, 54554045), (401, 50472695), (455, 44482529), (637, 31773235), (689, 29375255), (805, 25142299), (845, 23952131), (1127, 17958785), (1183, 17108665), (1219, 16603405), (1495, 13538161), (1855, 10910809), (2005, 10094539), (2093, 9670115), (2597, 7793435), (2807, 7210385), (3185, 6354647), (3445, 5875051), (3887, 5206985), (4823, 4196465), (5213, 3882515), (5635, 3591757), (5915, 3421733), (6095, 3320681), (8281, 2444095), (8533, 2371915), (8957, 2259635), (9223, 2194465), (10465, 1934023), (12985, 1558687), (14035, 1442077), (14651, 1381445), (15847, 1277185), (19435, 1041397), (19649, 1030055), (21253, 952315), (24115, 839293), (26065, 776503), (27209, 743855), (33761, 599495), (36491, 554645), (41405, 488819), (42665, 474383), (44785, 451927), (46115, 438893), (59731, 338845), (62699, 322805), (64561, 313495), (67769, 298655), (73255, 276289), (79235, 255437), (98245, 206011), (106265, 190463), (110929, 182455), (119899, 168805), (136045, 148771)]