20084080900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3371}}^1\times {\mathrm{4583}}^1$

素因数の和:7981

約数の個数: 72

約数和(自身を含む): 46959119424

約数和(自身を除く): 26875038524

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 3371, 4583, 6742, 9166, 13484, 16855, 18332, 22915, 33710, 43823, 45830, 59579, 67420, 84275, 87646, 91660, 114575, 119158, 168550, 175292, 219115, 229150, 238316, 297895, 337100, 438230, 458300, 595790, 876460, 1095575, 1191580, 1489475, 2191150, 2978950, 4382300, 5957900, 15449293, 30898586, 61797172, 77246465, 154492930, 200840809, 308985860, 386232325, 401681618, 772464650, 803363236, 1004204045, 1544929300, 2008408090, 4016816180, 5021020225, 10042040450, 20084080900]

約数ペア:

[(1, 20084080900), (2, 10042040450), (4, 5021020225), (5, 4016816180), (10, 2008408090), (13, 1544929300), (20, 1004204045), (25, 803363236), (26, 772464650), (50, 401681618), (52, 386232325), (65, 308985860), (100, 200840809), (130, 154492930), (260, 77246465), (325, 61797172), (650, 30898586), (1300, 15449293), (3371, 5957900), (4583, 4382300), (6742, 2978950), (9166, 2191150), (13484, 1489475), (16855, 1191580), (18332, 1095575), (22915, 876460), (33710, 595790), (43823, 458300), (45830, 438230), (59579, 337100), (67420, 297895), (84275, 238316), (87646, 229150), (91660, 219115), (114575, 175292), (119158, 168550)]