20534160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1360

約数の個数: 80

約数和(自身を含む): 64656576

約数和(自身を除く): 44122416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1277, 1340, 1608, 2010, 2554, 2680, 3216, 3831, 4020, 5108, 5360, 6385, 7662, 8040, 10216, 12770, 15324, 16080, 19155, 20432, 25540, 30648, 38310, 51080, 61296, 76620, 85559, 102160, 153240, 171118, 256677, 306480, 342236, 427795, 513354, 684472, 855590, 1026708, 1283385, 1368944, 1711180, 2053416, 2566770, 3422360, 4106832, 5133540, 6844720, 10267080, 20534160]

約数ペア:

[(1, 20534160), (2, 10267080), (3, 6844720), (4, 5133540), (5, 4106832), (6, 3422360), (8, 2566770), (10, 2053416), (12, 1711180), (15, 1368944), (16, 1283385), (20, 1026708), (24, 855590), (30, 684472), (40, 513354), (48, 427795), (60, 342236), (67, 306480), (80, 256677), (120, 171118), (134, 153240), (201, 102160), (240, 85559), (268, 76620), (335, 61296), (402, 51080), (536, 38310), (670, 30648), (804, 25540), (1005, 20432), (1072, 19155), (1277, 16080), (1340, 15324), (1608, 12770), (2010, 10216), (2554, 8040), (2680, 7662), (3216, 6385), (3831, 5360), (4020, 5108)]