20864280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9151}}^1$

素因数の和:9184

約数の個数: 64

約数和(自身を含む): 65894400

約数和(自身を除く): 45030120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9151, 18302, 27453, 36604, 45755, 54906, 73208, 91510, 109812, 137265, 173869, 183020, 219624, 274530, 347738, 366040, 521607, 549060, 695476, 869345, 1043214, 1098120, 1390952, 1738690, 2086428, 2608035, 3477380, 4172856, 5216070, 6954760, 10432140, 20864280]

約数ペア:

[(1, 20864280), (2, 10432140), (3, 6954760), (4, 5216070), (5, 4172856), (6, 3477380), (8, 2608035), (10, 2086428), (12, 1738690), (15, 1390952), (19, 1098120), (20, 1043214), (24, 869345), (30, 695476), (38, 549060), (40, 521607), (57, 366040), (60, 347738), (76, 274530), (95, 219624), (114, 183020), (120, 173869), (152, 137265), (190, 109812), (228, 91510), (285, 73208), (380, 54906), (456, 45755), (570, 36604), (760, 27453), (1140, 18302), (2280, 9151)]