20009487537

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1787}}^1$

素因数の和:1924

約数の個数: 128

約数和(自身を含む): 35565465600

約数和(自身を除く): 15555978063

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 73, 117, 171, 207, 219, 247, 299, 351, 437, 513, 621, 657, 741, 897, 949, 1311, 1387, 1679, 1787, 1971, 2223, 2691, 2847, 3933, 4161, 5037, 5361, 5681, 6669, 8073, 8541, 11799, 12483, 15111, 16083, 17043, 18031, 21827, 23231, 25623, 31901, 33953, 37449, 41101, 45333, 48249, 51129, 54093, 65481, 69693, 95703, 101859, 123303, 130451, 153387, 162279, 196443, 209079, 287109, 305577, 369909, 391353, 414713, 441389, 486837, 534313, 589329, 627237, 780919, 861327, 916731, 1109727, 1174059, 1244139, 1324167, 1602939, 1695863, 2342757, 2478569, 3000373, 3522177, 3732417, 3972501, 4808817, 5087589, 7028271, 7435707, 9001119, 10151947, 11197251, 11917503, 14426451, 15262767, 21084813, 22307121, 27003357, 30455841, 32221397, 39004849, 45788301, 57007087, 66921363, 81010071, 91367523, 96664191, 117014547, 171021261, 274102569, 289992573, 351043641, 513063783, 741092131, 869977719, 1053130923, 1539191349, 2223276393, 6669829179, 20009487537]

約数ペア:

[(1, 20009487537), (3, 6669829179), (9, 2223276393), (13, 1539191349), (19, 1053130923), (23, 869977719), (27, 741092131), (39, 513063783), (57, 351043641), (69, 289992573), (73, 274102569), (117, 171021261), (171, 117014547), (207, 96664191), (219, 91367523), (247, 81010071), (299, 66921363), (351, 57007087), (437, 45788301), (513, 39004849), (621, 32221397), (657, 30455841), (741, 27003357), (897, 22307121), (949, 21084813), (1311, 15262767), (1387, 14426451), (1679, 11917503), (1787, 11197251), (1971, 10151947), (2223, 9001119), (2691, 7435707), (2847, 7028271), (3933, 5087589), (4161, 4808817), (5037, 3972501), (5361, 3732417), (5681, 3522177), (6669, 3000373), (8073, 2478569), (8541, 2342757), (11799, 1695863), (12483, 1602939), (15111, 1324167), (16083, 1244139), (17043, 1174059), (18031, 1109727), (21827, 916731), (23231, 861327), (25623, 780919), (31901, 627237), (33953, 589329), (37449, 534313), (41101, 486837), (45333, 441389), (48249, 414713), (51129, 391353), (54093, 369909), (65481, 305577), (69693, 287109), (95703, 209079), (101859, 196443), (123303, 162279), (130451, 153387)]