20071005123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1669}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 30219678720

約数和(自身を除く): 10148673597

約数列:

[1, 3, 13, 39, 43, 71, 101, 129, 213, 303, 559, 923, 1313, 1669, 1677, 2769, 3053, 3939, 4343, 5007, 7171, 9159, 13029, 21513, 21697, 39689, 56459, 65091, 71767, 93223, 118499, 119067, 168569, 169377, 215301, 279669, 308353, 355497, 505707, 925059, 932971, 1540487, 2191397, 2798913, 4008589, 4621461, 5095457, 6574191, 7248467, 11968399, 12025767, 15286371, 21745401, 35905197, 66240941, 94230071, 155589187, 198722823, 282690213, 466767561, 514641157, 1543923471, 6690335041, 20071005123]

約数ペア:

[(1, 20071005123), (3, 6690335041), (13, 1543923471), (39, 514641157), (43, 466767561), (71, 282690213), (101, 198722823), (129, 155589187), (213, 94230071), (303, 66240941), (559, 35905197), (923, 21745401), (1313, 15286371), (1669, 12025767), (1677, 11968399), (2769, 7248467), (3053, 6574191), (3939, 5095457), (4343, 4621461), (5007, 4008589), (7171, 2798913), (9159, 2191397), (13029, 1540487), (21513, 932971), (21697, 925059), (39689, 505707), (56459, 355497), (65091, 308353), (71767, 279669), (93223, 215301), (118499, 169377), (119067, 168569)]