20236020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6883}}^1$

素因数の和:6909

約数の個数: 72

約数和(自身を含む): 65921184

約数和(自身を除く): 45685164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6883, 13766, 20649, 27532, 34415, 41298, 48181, 68830, 82596, 96362, 103245, 137660, 144543, 192724, 206490, 240905, 289086, 337267, 412980, 481810, 578172, 674534, 722715, 963620, 1011801, 1349068, 1445430, 1686335, 2023602, 2890860, 3372670, 4047204, 5059005, 6745340, 10118010, 20236020]

約数ペア:

[(1, 20236020), (2, 10118010), (3, 6745340), (4, 5059005), (5, 4047204), (6, 3372670), (7, 2890860), (10, 2023602), (12, 1686335), (14, 1445430), (15, 1349068), (20, 1011801), (21, 963620), (28, 722715), (30, 674534), (35, 578172), (42, 481810), (49, 412980), (60, 337267), (70, 289086), (84, 240905), (98, 206490), (105, 192724), (140, 144543), (147, 137660), (196, 103245), (210, 96362), (245, 82596), (294, 68830), (420, 48181), (490, 41298), (588, 34415), (735, 27532), (980, 20649), (1470, 13766), (2940, 6883)]