20537670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 52462080

約数和(自身を除く): 31924410

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 137, 190, 263, 274, 285, 411, 526, 570, 685, 789, 822, 1315, 1370, 1578, 2055, 2603, 2630, 3945, 4110, 4997, 5206, 7809, 7890, 9994, 13015, 14991, 15618, 24985, 26030, 29982, 36031, 39045, 49970, 72062, 74955, 78090, 108093, 149910, 180155, 216186, 360310, 540465, 684589, 1080930, 1369178, 2053767, 3422945, 4107534, 6845890, 10268835, 20537670]

約数ペア:

[(1, 20537670), (2, 10268835), (3, 6845890), (5, 4107534), (6, 3422945), (10, 2053767), (15, 1369178), (19, 1080930), (30, 684589), (38, 540465), (57, 360310), (95, 216186), (114, 180155), (137, 149910), (190, 108093), (263, 78090), (274, 74955), (285, 72062), (411, 49970), (526, 39045), (570, 36031), (685, 29982), (789, 26030), (822, 24985), (1315, 15618), (1370, 14991), (1578, 13015), (2055, 9994), (2603, 7890), (2630, 7809), (3945, 5206), (4110, 4997)]