20409516

素因数分解:

$2^2\times 3^3\times {\mathrm{59}}^1\times {\mathrm{3203}}^1$

素因数の和:3275

約数の個数: 48

約数和(自身を含む): 53827200

約数和(自身を除く): 33417684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 108, 118, 177, 236, 354, 531, 708, 1062, 1593, 2124, 3186, 3203, 6372, 6406, 9609, 12812, 19218, 28827, 38436, 57654, 86481, 115308, 172962, 188977, 345924, 377954, 566931, 755908, 1133862, 1700793, 2267724, 3401586, 5102379, 6803172, 10204758, 20409516]

約数ペア:

[(1, 20409516), (2, 10204758), (3, 6803172), (4, 5102379), (6, 3401586), (9, 2267724), (12, 1700793), (18, 1133862), (27, 755908), (36, 566931), (54, 377954), (59, 345924), (108, 188977), (118, 172962), (177, 115308), (236, 86481), (354, 57654), (531, 38436), (708, 28827), (1062, 19218), (1593, 12812), (2124, 9609), (3186, 6406), (3203, 6372)]