20868992

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8581}}^1$

素因数の和:8614

約数の個数: 32

約数和(自身を含む): 43768200

約数和(自身を除く): 22899208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8581, 17162, 34324, 68648, 137296, 163039, 274592, 326078, 549184, 652156, 1098368, 1304312, 2608624, 5217248, 10434496, 20868992]

約数ペア:

[(1, 20868992), (2, 10434496), (4, 5217248), (8, 2608624), (16, 1304312), (19, 1098368), (32, 652156), (38, 549184), (64, 326078), (76, 274592), (128, 163039), (152, 137296), (304, 68648), (608, 34324), (1216, 17162), (2432, 8581)]