20473425

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{619}}^1$

素因数の和:652

約数の個数: 72

約数和(自身を含む): 43821600

約数和(自身を除く): 23348175

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 619, 675, 735, 945, 1225, 1323, 1575, 1857, 2205, 3095, 3675, 4333, 4725, 5571, 6615, 9285, 11025, 12999, 15475, 16713, 21665, 27855, 30331, 33075, 38997, 46425, 64995, 83565, 90993, 108325, 116991, 139275, 151655, 194985, 272979, 324975, 417825, 454965, 584955, 758275, 818937, 974925, 1364895, 2274825, 2924775, 4094685, 6824475, 20473425]

約数ペア:

[(1, 20473425), (3, 6824475), (5, 4094685), (7, 2924775), (9, 2274825), (15, 1364895), (21, 974925), (25, 818937), (27, 758275), (35, 584955), (45, 454965), (49, 417825), (63, 324975), (75, 272979), (105, 194985), (135, 151655), (147, 139275), (175, 116991), (189, 108325), (225, 90993), (245, 83565), (315, 64995), (441, 46425), (525, 38997), (619, 33075), (675, 30331), (735, 27855), (945, 21665), (1225, 16713), (1323, 15475), (1575, 12999), (1857, 11025), (2205, 9285), (3095, 6615), (3675, 5571), (4333, 4725)]