20172521775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{541181}}^1$

素因数の和:541272

約数の個数: 48

約数和(自身を含む): 38653383168

約数和(自身を除く): 18480861393

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 175, 213, 355, 497, 525, 1065, 1491, 1775, 2485, 5325, 7455, 12425, 37275, 541181, 1623543, 2705905, 3788267, 8117715, 11364801, 13529525, 18941335, 38423851, 40588575, 56824005, 94706675, 115271553, 192119255, 268966957, 284120025, 576357765, 806900871, 960596275, 1344834785, 2881788825, 4034504355, 6724173925, 20172521775]

約数ペア:

[(1, 20172521775), (3, 6724173925), (5, 4034504355), (7, 2881788825), (15, 1344834785), (21, 960596275), (25, 806900871), (35, 576357765), (71, 284120025), (75, 268966957), (105, 192119255), (175, 115271553), (213, 94706675), (355, 56824005), (497, 40588575), (525, 38423851), (1065, 18941335), (1491, 13529525), (1775, 11364801), (2485, 8117715), (5325, 3788267), (7455, 2705905), (12425, 1623543), (37275, 541181)]