20891148

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 50964480

約数和(自身を除く): 30073332

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 89, 93, 124, 178, 186, 267, 356, 372, 534, 631, 1068, 1262, 1893, 2524, 2759, 3786, 5518, 7572, 8277, 11036, 16554, 19561, 33108, 39122, 56159, 58683, 78244, 112318, 117366, 168477, 224636, 234732, 336954, 673908, 1740929, 3481858, 5222787, 6963716, 10445574, 20891148]

約数ペア:

[(1, 20891148), (2, 10445574), (3, 6963716), (4, 5222787), (6, 3481858), (12, 1740929), (31, 673908), (62, 336954), (89, 234732), (93, 224636), (124, 168477), (178, 117366), (186, 112318), (267, 78244), (356, 58683), (372, 56159), (534, 39122), (631, 33108), (1068, 19561), (1262, 16554), (1893, 11036), (2524, 8277), (2759, 7572), (3786, 5518)]