20369430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2543}}^1$

素因数の和:2645

約数の個数: 48

約数和(自身を含む): 53576640

約数和(自身を除く): 33207210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2543, 2670, 4005, 5086, 7629, 8010, 12715, 15258, 22887, 25430, 38145, 45774, 76290, 114435, 226327, 228870, 452654, 678981, 1131635, 1357962, 2036943, 2263270, 3394905, 4073886, 6789810, 10184715, 20369430]

約数ペア:

[(1, 20369430), (2, 10184715), (3, 6789810), (5, 4073886), (6, 3394905), (9, 2263270), (10, 2036943), (15, 1357962), (18, 1131635), (30, 678981), (45, 452654), (89, 228870), (90, 226327), (178, 114435), (267, 76290), (445, 45774), (534, 38145), (801, 25430), (890, 22887), (1335, 15258), (1602, 12715), (2543, 8010), (2670, 7629), (4005, 5086)]